Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 145896: 16b^3+4B Please factor out
Click here to see answer by nerdybill(7384)

Question 145955: The question is: Find the domain (the interval(s) on the real number line for which the radicand is nonnegative, greater than or equal to zero).
Squar root x-3
Thank you
Click here to see answer by stanbon(75887)

Question 145964: The system of equations y=2x-3 and y=4x-3 has
a. exactly one solution
b. no solution
c. infinitely many solutions
d. exactly two solutions
Click here to see answer by vleith(2983)

Question 146010: Hi I am working out of a book my mom got me from a book store to help me stay on top of things during the summer. I have having a problem with this problem
8(y+5)+ 8y = 24
Click here to see answer by nerdybill(7384)

Question 145937: 3. You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies, Heavy Lifters and Quick Move, to discuss their rates. Heavy Lifting charges an $80 fee plus $35 per hour. Quick Move charges $55 per hour with no additional fees.
a) Which mover provides a better deal for 2 hours of work? How did you arrive at your answer?
b) Which mover provides a better deal for 15 hours of work? How did you arrive at your answer?
c) For what values h (hours) does Quick Move offer the better deal? Express your answer as an inequality. Explain how you reached your answer.

Click here to see answer by BrittanyM(80)

Question 146057: write each expression in lowest terms
-2x-8/z^2+2x-8
my answer is -2x-8 not sure if this is correct
Click here to see answer by jim_thompson5910(35256)

Question 146057: write each expression in lowest terms
-2x-8/z^2+2x-8
my answer is -2x-8 not sure if this is correct
Click here to see answer by nerdybill(7384)

Question 146061: 1 - y^2
____
x^2
__________
1 - y
__
x

Click here to see answer by jim_thompson5910(35256)

Question 146082: Multipy. Write result in a+bi form.
3i(3+8i)
Answers:
A) 24+9i
B) -15i
C) -24+9i
D) 17i
Click here to see answer by Earlsdon(6294)

Question 146082: Multipy. Write result in a+bi form.
3i(3+8i)
Answers:
A) 24+9i
B) -15i
C) -24+9i
D) 17i
Click here to see answer by jim_thompson5910(35256)

Question 146082: Multipy. Write result in a+bi form.
3i(3+8i)
Answers:
A) 24+9i
B) -15i
C) -24+9i
D) 17i
Click here to see answer by nerdybill(7384)

Question 146132: simplify:
-3(-7/4a+1/6)+5/2(3-a/2)
Click here to see answer by jim_thompson5910(35256)

Question 146190: Please help to find an equation of the line that passes through (-3,6) and has a slope m = -2.
Thank You
Click here to see answer by jim_thompson5910(35256)

Question 146191: Please write an equation of the line through (-5,4) and perpendicular to the line 5x + 4y = 24. Thank You
Click here to see answer by jim_thompson5910(35256)

Question 146192: Please find an equation of the line passing through the points (7.5,2) and 7.5,9)
Thank you
Click here to see answer by jim_thompson5910(35256)

Question 146199: im sorry if i could get help on this last problem thanks alot!
which product of factors is equivalent to (x+1)-y? (please note there is a little 2 over on top next to the 1 out of the paranthesis and another little 2 over the y ? THANK YOU AGAIN.
Click here to see answer by jim_thompson5910(35256)

Question 146247: 3
-x -7=5(-x+1)
8
Click here to see answer by jim_thompson5910(35256)

Question 146245: 2
-x-3=4(x-1)
3
Click here to see answer by jim_thompson5910(35256)

Question 146267: Please Determine the slope and y-intercept of the line 3x + 2y - 2 = 0
Thank you
Click here to see answer by jim_thompson5910(35256)

Question 146269: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by scott8148(6628)

Question 146268: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by scott8148(6628)

Question 146268: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by jim_thompson5910(35256)

Question 146271:
Please find the domain of H(x)=√(25-x₂)
Thank You
Click here to see answer by Fombitz(32388)

Question 146271:
Please find the domain of H(x)=√(25-x₂)
Thank You
Click here to see answer by Edwin McCravy(20054)

Question 146276: Let R(x)=x+1/x-1. If T(x) = R(x)+1, Then T(x)=
a)2x/x+1
b)x+2/x+1
c)x+2/x-1
d)2x/x-1
Click here to see answer by jim_thompson5910(35256)

Question 146280: How many positive real solutions are there in:
f(x)=x^4-4x^3+6x^2-4x+1
a)1 or 0
b)2 or 0
c)4 or 2
d)2 or 0
Click here to see answer by jim_thompson5910(35256)

Question 146282: Let R(x)=x^3-7/x^2+1; what happens to R(x) if we now have R(x+2)?
a)It shifts 2 units to the left
b)It shifts 2 units up
c)It shiftes 2 units to the right
d)It remains stationary; there is no effect of adding 2 to x
Click here to see answer by jim_thompson5910(35256)

Question 146284: Descrate's Rule of Signs looks for what in a Polynomail expression?
a)The number of sign changes between consecutive terms
b)The number of sign changes between consecutive factors
c)The number of sign changes between consecutive terms divided by the degree of the polynomial plus one
d)The number of sign changes between alternating terms
Click here to see answer by jim_thompson5910(35256)

Question 146285: What is the equation of the slant asymptote for R(x)=x^2-x+17/x^2+1?
a)R(x)=x-1
b)R(x)=1
c)R(x)=x+17
d)There is no slant asympote
Click here to see answer by jim_thompson5910(35256)

Question 146287: Let R(x)=x^3-7/x^2+1; what happens to R(x) if we now have R(x)-3?
a)It shiftes 3 units to the left
b)It shiftes 3 units down
c)It shiftes 3 units to the right
d)It shiftes 3 units up
Click here to see answer by Edwin McCravy(20054)

Question 146307: An astronaut on the moon tosses a ball upwards; when will the ball initially be 35 feet above the lunar surface if the ball's height (feet) follows: h(t)=-2.6t^2+32.1t_5.5, and t is in seconds from release?
a)1 second
b)2 seconds
c)1/2 seconds
d)13.2 seconds
I came up with 1 second and 11.. a little confused.
Click here to see answer by stanbon(75887)

Question 146305: what is the range for P(x)=x^2+5x+6<0?
a)x=(-3,-2)
b)P(x)=(-3,-2)
Click here to see answer by stanbon(75887)

Question 146305: what is the range for P(x)=x^2+5x+6<0?
a)x=(-3,-2)
b)P(x)=(-3,-2)
Click here to see answer by edjones(8007)

Question 146281: What are the zero(s) for this equation:
4(x+6)^2-8=-4
a)x={-5}
b)x={-5,-7}
c)x={-5,0}
d)x={5,-7}
Click here to see answer by oscargut(2103)

Question 146357: Please evalute complex expression with final solution in standard form (a+bi);
(2+3i)/ (-4+3i)
Thank You
Click here to see answer by nerdybill(7384)

Question 146411: Use the Rational Zero Theorem to find a zero.
f(x)=3x^4-11x^3+10x-4
a)x=0
b)x=1
c)x=-5
d)x=-1
Click here to see answer by stanbon(75887)

Question 146529: 5y/14-8=5-2y/7
Click here to see answer by jim_thompson5910(35256)

Question 146490: An isosceles triangle has two sides congruent. If three times the length of the sum of the congruent sides in this triangle is equal to four times the length of the other side, use the table to find the length of the two congruent sides and the length of the third side.
METHOD
1. Let one of the unknowns be a variable _______________________________
2.Write the other unknown in terms of this variable._____________________
3.Express the problem in terms of the variable.__________________________
4.Solve the equation. _________________________________
__________________________________
__________________________________

5. Answer the question
EACH CONGRUENT SIDES _____________
OTHER SIDE ______________

THANK YOU.
Click here to see answer by stanbon(75887)

Question 146573: Help Please?
3x^2x+1=0
x=2+or-1 'Squared'(-2)^+4(3)(1)
______________________
2(3)
THE DIVISION STARTS FROM THE WORD SQUARED
Click here to see answer by jim_thompson5910(35256)

Question 146585: solve by the elimination method
2x=3y=1
4x+6y=2
what is the solution of the system
Click here to see answer by jim_thompson5910(35256)

Question 146584: Solve by the elimination method
3r-2s=-4
2r+3s=32
what is the solution of the system
Click here to see answer by jim_thompson5910(35256)

Question 146583: Find the slope, if it exists
x=-3
Click here to see answer by Alan3354(69443)

Question 146583: Find the slope, if it exists
x=-3
Click here to see answer by jim_thompson5910(35256)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580