Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 143370: x^2 – 16x + 63
Click here to see answer by MathLover1(6632)

Question 143368: Evaluate P(-1/2) if P(x) = 2x4 + x3 + 12
Click here to see answer by MathLover1(6632)

Question 143409: indicated letter
n=m+c, for m
Click here to see answer by checkley77(12569)

Question 143443: George lives approx. 15 miles from work. He travels 35mph in is vehicle. Assuming that his speed remains constant how long will it take George to reach work?
Click here to see answer by Earlsdon(6287)

Question 143498: I'm trying to help my girl friend's daughter with her homework. I haven't used algebra in probably 50 years since I had it. Can you help me with the steps and solution?? Thanks, Jim Fitzgerald
5X <= 10 + 2(3X-4)
Click here to see answer by stanbon(57342)

Question 143497: I'm trying to help my girl friend's daughter with her homework. I haven't used algebra in probably 50 years since I had it. Can you help me with the steps and sloution?? Thanks, JimFitzgerald
7X - 4 < 6 + 2X
Click here to see answer by stanbon(57342)

Question 143520: What is the equation of the line connecting these points? (-4,6) and (2,1)
Click here to see answer by nabla(475)

Question 143609: I don't know if this is the right category, but here is my problem:
The equation of the line containing one side of a parallelogram is 3x + 2y = 8.
The opposite side contains the point (0,-7).
Which of these is the equation of the line that contains the opposite side?
A y = 2/3x-7
B y = -3/2x+7
C y = 2/3x+7
D y = -3/2x-7
Please help out.
Click here to see answer by stanbon(57342)

Question 143708: Let f(x) = -x^3 + 3x^2 - 3x + 1, and g(x) be f(x) divided by 1 - x; solve for
g(x) if 1 -x is a factor or f(x).
a. g(x) = x^4 - 4x^3 + 6x^2 - 4x + 1
b. g(x) = x^3 - 3x^2 + 3x -1
c. g(x) = -x^2 + 2x - 1
d. g(x) = x^2 - 2x + 1
Click here to see answer by Edwin McCravy(8909)

Question 143707: If a function has an odd degree and a negative leadiing coefficient, then what is the minimum number of zeroes it must possess?
a. 1
b. 0
c. -1
d. This cannot be determined based on the given information
Click here to see answer by Edwin McCravy(8909)

Question 143706: If a function has an odd degree and a negative leadiing coefficient, then what is the minimum number of zeroes it must possess?
a. 1
b. 0
c. -1
d. This cannot be determined based on the given information
Click here to see answer by Edwin McCravy(8909)

Question 143710: Which of the following coefficients cannot be zero if p(x) is a parabola and of the form p(x)= Ax^2 + Bx + C?
a. A
b. B
c. C
d. None of the above, A, B,and C can each have the value of 0
Click here to see answer by rapaljer(4667)

Question 143712: What is the relationship between the degree of a polynomial and the maximum number of zeroes it can have?
a. The number of zeroes is one less than the degree of the polynomial
b. The degree of the polynomial is one less than the number of zeroes
c. They are the same value
d. The number of zeroes is the square of the degree of the polynomial
Click here to see answer by oscargut(891)

Question 143711: If f(x) is a parabola, then:
a. it is a step function
b. it is a continuous, smooth function
c. it is a piecewise function
d. it is a square root function
Click here to see answer by rapaljer(4667)

Question 143802: It takes 2 hours and 24 minutes for Gail and Bob to paint a room together.
If painting alone, it would take Bob 2 hours more to paint the room than
it would take Gail. How long does it take Gail to paint the room?
Please provide the equation necessary to solve.
I know the answer is 4 hours, but I need to show my work. Thanks!!
Click here to see answer by ankor@dixie-net.com(15650)

Question 143879: one sixth of Canada's Planetariums are in Halifax. Halifax has 2 planetariums. How many planetariums are there in Canada. Gr. 8 question.
Click here to see answer by oscargut(891)

Question 143925: find the zeros of the function h(x)= x2 +23x+60 by factoring
Click here to see answer by jim_thompson5910(28595)

Question 143964: Let R(x) = x+1/x-1, if T(x) = R(x)+ 1, then T(x) =
a. T(x)=2x/x+1
b. T(x)=x+2/x+1
c. T(x)=x+2/x-1
d. T(x)=2x/x-1
Click here to see answer by nabla(475)

Question 143971: Find the solution(s) for when f(x) = -4 if f(x) = -x^2 + 12
a. x=4
b. x=4,-4
c. x^2=16
d. There are no solutions since you cannot take the square root of a negative number

Click here to see answer by nabla(475)

Question 143973: For about what value(s) of x does g(x) = k(x) if g(x) = 2x^2 -8 and
k(x) = -x^2 -2?
a. x = 2,-2
b. x = 2.3, -2.3
c. x = 1.4
d. x = 1.4, -1.4
Click here to see answer by nabla(475)

Question 143972: Let R(x)=x^3-2x^2-7/x^2+1. What kind(s) of asymptotes does R(x) possess?
a. A single horizontal asymptote
b. A slant asymptote and a horizontal asymptote
c. A single slant asymptote
d. R(x) has no asymptotes
Click here to see answer by nabla(475)

Question 143968: Let R(x)=x^3-2x^2-7/x^6-2x^5+6x^2-4. How many vertical asymptotes are possible?
a. 3
b. 2
c. 6
d. 5
Click here to see answer by nabla(475)

Question 143966: Let R(x)=x^3-7/x^2+1; what happens to R(x) if we now have R(x)-3?
a. It shifts 3 units to the left
b. It shifts 3 units down
c. It shifts 3 units to the right
d. It shifts 3 units up
Click here to see answer by nabla(475)

Question 144068: What is the range for P(x) = x^2 + 5x + 6 < 0?
Click here to see answer by edjones(7569)

Question 144071: 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 nabla(475)

Question 144118: Consider f(x) = 3x^4 - 11x^3 + 10x - 4; use the Rational Zero Theorem to find a zero.
a. x = 0
b. x = 1
c. x = -5
d. x = -1
The constant term is -4 and the leading coefficient is 3. Then
constant term: 1, -1, 2, -2, 4, -4
____________________________________
leading coefficient: 1, -1, 2, -2, 4, -4, 1/3, -1/3, 2/3, -2/3, 4/3, -4/3
There is no solution set???? Help
Click here to see answer by solver91311(16885)

Question 144123: how do you do equations please help me
Click here to see answer by solver91311(16885)

Question 144117: 6x^2 - 28x + 16
x^4 + 2x^3 - 3x - 6
x^8 - 1
If I am doing it correctly and according to the book; the answer should be b. Is this correct?
Click here to see answer by jim_thompson5910(28595)

Question 144117: 6x^2 - 28x + 16
x^4 + 2x^3 - 3x - 6
x^8 - 1
If I am doing it correctly and according to the book; the answer should be b. Is this correct?
Click here to see answer by solver91311(16885)

Question 144117: 6x^2 - 28x + 16
x^4 + 2x^3 - 3x - 6
x^8 - 1
If I am doing it correctly and according to the book; the answer should be b. Is this correct?
Click here to see answer by stanbon(57342)

Question 144115: 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) follow:
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 selected 1 second (a)
Click here to see answer by stanbon(57342)

Question 144129: my son is stuck with homework > = more than what does > with a line under it mean
Click here to see answer by jim_thompson5910(28595)

Question 144138: One number is four times another number. The largest number is also 87 more than the smaller numer. Find the numbers.
Choices for the smaller number: 29, 30, 33
Click here to see answer by stanbon(57342)

Question 144107: what is the equation of a line that passes through the points (4,1) and (3,-2)
Click here to see answer by checkley77(12569)

Question 144158: if 4feet 5inches is cut from a 12foot board, how much of the original board remains? 12' is 144 inches, 4' 5" is 53 inches. 144-53 = 91 inches remaining.
91 inches is 7 feet, 7 inches. One more reason to use metric.
Click here to see answer by Alan3354(30993)

Question 144187: Please help me answer this question:
What is the equation of the line, g(x), that is perpendicular to f(x)=1/2x+2 and passes through (0,2)?
Click here to see answer by jim_thompson5910(28595)

Question 144183: An aquarium store unit requires 75000mL of water. How many gallons of water are needed? (1gal = 4 quarts)
Click here to see answer by stanbon(57342)

Question 144070: How many positive real numbers 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 HyperBrain(694)

Question 144221: How many positive real solutions are there in:
f(x) = -2x^4 + 3x^3 + 7x^2 + 2
a. 0
b. 2
c. 1
d. None, there is no x-term
Click here to see answer by HyperBrain(694)

Question 142332: In internal notation, what is the domain of:
f(x) = x^-2
Click here to see answer by HyperBrain(694)

Question 144223: Can you help me solve this system by substitution?
y=3x
x+y=8
Click here to see answer by nabla(475)

Question 144213: What is the equation of the slant asymptote for 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 asymptote
Click here to see answer by stanbon(57342)

Question 144214: Let's say that a company's profitability, p(t), follows p(t)= t^2 - 5t - 50 with
p(t) in units of $1K and t = fiscal months. How long in years will it take the company to be $100K in the black (i.e., p(t)=$100,000)?
a. 15 years
b. 1 1/2 years
c. 1 1/4 years
d. 1/2 year
Click here to see answer by ankor@dixie-net.com(15650)

Question 144211: 1.)If the length of the diagonal of a rectangle is 50 inches and the area is 1200 in^2,what are tge dimensions?
2.) one secretary can do aparticular typing jib in 6hrs and another secretary ca do the same job in 4hrs.How long will it take if the job is done by two secretaries working together?
3.)The some of the receprocals of two consecutive even integers is 9/40.What is the integers?
4) If a rectangular polygon of ten sides is inscribed (means a figure is a another figure) in a circle of raduis r units, then if s units is the length of a side.
(r/s)=(s)/(r-s)
solve this formula for s in terms of r.
5) A firm can sell at a price of $100 per unit all of a particular commodity it produces.If x units are produced each day,the number of dollars in the total cost of each days production ia x^2+20x+700.How many units should be produced each day so that the firm is guaranteed a profit?
6) A company that builds and sells desks can sell at a price of $400 per desk all the desk it produces if x desks are built and sold each week,then the numbers of dollars on the total cost of the weeks production is 2x^2+80x+3000.How many desk should built each week in order that the manufacturer is guaranteed a profit?
Click here to see answer by ankor@dixie-net.com(15650)

Question 144372: Solve this system of equations 18x - 7y = 121 6x - 14y = 122

Click here to see answer by Alan3354(30993)

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