Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 1097106: Draw a sketch of y = sin t for t  [�π, π].
Click here to see answer by Fombitz(32388)

Question 1097129: What is the slope of a line that passes through points (-2 -1) and (4 3)
Click here to see answer by Fombitz(32388)

Question 1097066: Find the slope of the line that passes through the point (-4,5) and (2,-3).
Click here to see answer by Fombitz(32388)

Question 1097274: the system of equations 2x +3y = 1 and 3x +5y = -2 has a unique solution. What is the value of x?
(I have a few items to answer similar to this, so if it's possible to ask for a solution, that would be greatly appreciated, thank you)
Click here to see answer by josgarithmetic(39617)

Question 1097285: The given system of linear equations has a unique solution
2x + y- z = -5
-5x - 3y + 2z = 7
x + 4y - 3z = 0
what is the value of y?
Click here to see answer by rothauserc(4718)

Question 1097276: what is the solution set of the system of non-linear equations x^2 + y^2 = 13 and x - y = 1
Click here to see answer by Edwin McCravy(20054)

Question 1097284: The given system of linear equations has a unique solution
2x + y- z = -5
-5x - 3y + 2z = 7
x + 4y - 3z = 0
what is the value of x?
Click here to see answer by KMST(5328)

Question 1097293: The system of non-linear equations x^2 + 4y +2x = 11 and y = x + 5 has a unique solution. What is the value of x?
Click here to see answer by Fombitz(32388)

Question 1097288: What graph represents the solution set of the following system of non-linear inequalities?
4x^2 - 5y^2 ≤ 6 and 3x^2 + 2y^3 ≥ 35
Click here to see answer by Fombitz(32388)

Question 1097259: Please help solve and simplify the following equation:
(7x^4-7x^3-5) -(2x^4+5x^3-4)
Thanks
Click here to see answer by Fombitz(32388)

Question 1097322: Find the x-intercepts of the graph of the equation: y = x2 - 3x + 2
Click here to see answer by rothauserc(4718)

Question 1097322: Find the x-intercepts of the graph of the equation: y = x2 - 3x + 2
Click here to see answer by Boreal(15235)

Question 1097294: What graph represents the solution set of the system of linear inequalities
2x + 3y - 2 ≤ 0 and x - 2y + 3 ≥ 0
Click here to see answer by Fombitz(32388)

Question 1097386: Graph the line y=−3x+b if it is known that the graph goes through point:
A(−2, 4)

Click here to see answer by josgarithmetic(39617)

Question 1097385: Write an equation of the line passing through each of the following pairs of points. (5, 7), (−6, −3)

Click here to see answer by josgarithmetic(39617)

Question 1097221: 1)
2)
3)
4)

Click here to see answer by richwmiller(17219)

Question 1097383: Write the equation of the line, given the y and x-intercepts.
y-intercept = �6, x-intercept = �2

Click here to see answer by josgarithmetic(39617)

Question 1097410: Please graph the solution
y is greater than or equal to 5x
Click here to see answer by Fombitz(32388)

Question 1097498: Please help with the following:
Write the standard form of the equation of the line described.
Through: (5, -1), perpendicular to y = 5/2x

Thank you!
Click here to see answer by josmiceli(19441)

Question 1097497: Please help with Solving this compound inequality, write its solution set in interval notation, and graph the solution set on a number line.
-16/15≤ -4/3n<4/5
Thank you!
Click here to see answer by greenestamps(13198)

Question 1097496: Please help with Solving this compound inequality, write its solution set in interval notation, and graph the solution set on a number line.
-12>-2+5n≥ -22
Thank you!
Click here to see answer by greenestamps(13198)

Question 1097493: Please help with Solving this inequality, write its solution set in interval notation, and graph the solution set on a number line.
6(1-5n) +5 (8n +5)> 1-n +6n
Thank you!
Click here to see answer by josgarithmetic(39617)

Question 1097468: Use the commutative property of multiplication and properties of rational
exponents rewrite 2.5^^m/n as two equivalent radical expressions. Explain what
these two equations mean about different ways to evaluate 2.5^^m/n.
Click here to see answer by Theo(13342)

Question 1097495: Please help with Solving this inequality, write its solution set in interval notation, and graph the solution set on a number line.
-1/3(-2/5 + v)≥ 3/10
Thank you!
Click here to see answer by rothauserc(4718)

Question 1097586: how do you know if a parabola opens up or down?
Click here to see answer by josgarithmetic(39617)

Question 1097586: how do you know if a parabola opens up or down?
Click here to see answer by KMST(5328)

Question 1097587: how do you determine the degree of a relation?
Click here to see answer by richwmiller(17219)

Question 1097591: Please help with the following:
State the excluded values for the following expression. Then simplify the expression:
(m^2-2m-3)/ (m^2-10m+21)
Thanks!
Click here to see answer by KMST(5328)

Question 1097589: Please help with the following:
Solve the equation and show the check of the potential answer(s). If any answers are excluded values, state it.
1= ( 1/(n^2-n)) + (( n^2+n-20)/ (n^2-n))
Thanks!
Click here to see answer by MathTherapy(10551)

Question 1097593: Please help with the following:
Rewrite the equation in slope-intercept form and then use the slope and y-intercept to sketch a graph of the line with the given equation:
7x-3y=12
Thanks!
Click here to see answer by josgarithmetic(39617)

Question 1097592: Please help with the following:
Sove the equation by use of the quadratic formulae:
3n^2+5n=7
Thanks!
Click here to see answer by josgarithmetic(39617)

Question 1097592: Please help with the following:
Sove the equation by use of the quadratic formulae:
3n^2+5n=7
Thanks!
Click here to see answer by ikleyn(52777)

Question 1097579: Please help with the following:
Show all work as you solve the following problem and write complete answers, including appropriate units:
Trevon left school and drove east. Two hours later Molly left school driving 10 km/h faster in an effort to catch up to him. After four hours Molly finally caught up. What was Trevon's average speed?
Thanks!
Click here to see answer by MathTherapy(10551)

Question 1097580: Please help with the following:
Show all work as you solve the following problem and write complete answers, including appropriate units:
Maria put $42,000 in an education account on the day her daughter was born. If the account earned 4.05% interest compounded quarterly, what was the total in the account when her daughter turned 18? Round the final answer to the nearest cent.
Thanks!
Click here to see answer by MathTherapy(10551)

Question 1097717: what is y=1/2+10
Click here to see answer by Alan3354(69443)

Question 1098011: Find a linear inequality with the following two solution sets. Each grid line represents one unit. Graph at https://latex.artofproblemsolving.com/miscpdf/dxgwtmfa.pdf?t=1508293647420 (Give your answer in "standard form" $ax+by+c>0$ or $ax+by+c\geq0$ where $a,$ $b,$ and $c$ are integers with no common factor other than 1.) Please, this is urgent.
Click here to see answer by richwmiller(17219)

Question 1098103: What is a solution to this problem please help
-2m=16m-9

Click here to see answer by Alan3354(69443)

Question 1098103: What is a solution to this problem please help
-2m=16m-9

Click here to see answer by Theo(13342)

Question 1098140: Can you please help with me with this question?
Find an equation of a line passing through the origin of the plane and is parallel to 4x-3y=12. Write your answer in standard form (ax+by=c).
Click here to see answer by ikleyn(52777)

Question 1098190: the line with slope of 2, intersects a line with slope of 4 at (30,40). what is the distance between the x-intercepts of these lines?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1098329: If x+ 2y = 0
x -2y = 2
then (x,y) = ?
Click here to see answer by josgarithmetic(39617)

Question 1098339: y =4x
Click here to see answer by richwmiller(17219)

Question 1098462: Express in the form
Describe the horizontal translation that changes into
Click here to see answer by josgarithmetic(39617)

Question 1098461: Given the equation predict the equation for the graph that has been reflected in the y-axis, given a vertical stretch by a factor of 5, translated 2 units right and 5 units down
Click here to see answer by josmiceli(19441)

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