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

Tutors Answer Your Questions about Graphs (FREE)

Question 370075: the table models the height of a plant as it grows
model the data with an equation
based on your model predict the height of the plant at 12months
time(months)plant height(cm)
3 15
5 25
7 35
9 45
Click here to see answer by mananth(16946)

Question 370074: for the data in the table tell whether y varies directly with x if it does write an equation for the direct variation
x y
0 0
1 -2.5
2 -5
3 -7.5
Click here to see answer by mananth(16946)

Question 370073: suppose you have $20.00 to buy cold cuts ham cost $3.99 per pound and turkey cost $4.99 per pound the equation 3.99x+4.99y =20 models the situation. what does the x-intercept of the gragh of the equation tell you about the amount of meat you can but?
Click here to see answer by ewatrrr(24785)

Question 369842: x intercept of x^3 +2.29x^2 -3.62x+0.82
Click here to see answer by Fombitz(32388)

Question 370096: find the slope of a line 4x - 5y = 3
Click here to see answer by Fombitz(32388)

Question 370096: find the slope of a line 4x - 5y = 3
Click here to see answer by J2R2R(94)

Question 369989: describe two methods you can use to graph the equation y=2x+4. Which method do you prefer? explain.
Click here to see answer by Fombitz(32388)

Question 370165: how do i solve this question?
Find the intercepts for the graph of the given equation.
8x-7y=112
Click here to see answer by Fombitz(32388)

Question 370165: how do i solve this question?
Find the intercepts for the graph of the given equation.
8x-7y=112
Click here to see answer by lefty4ever26(59)

Question 370147: Could you please help me to understand graphing inequalities? :]
Click here to see answer by stanbon(75887)

Question 370281: Solve the system of equations by graphing
x-2y=-4, x+2y=8
Click here to see answer by Fombitz(32388)

Question 370257: How do I graph slope: -2; y-intercept (0,3)
Click here to see answer by Alan3354(69443)

Question 370258: How do I graph slope: 3; y-intercept (0,5)?
Click here to see answer by Alan3354(69443)

Question 370383: This maths homework is killing me.
f(x)=-x^2+6x+16
a) Write f(x) in the form a(x+b)^2+c where they are constants. State the max value of f(x).
b) Solve f(x)=0 and sketch the curve y=f(x). What are the coordinates where the curve meets the x and the y axes? and the coordinates of the max or min points?
Click here to see answer by stanbon(75887)

Question 370446: Which equation has a graph with no y-intercept? A.y=5 B.x=1 C.x=y D.y=-x
Click here to see answer by Fombitz(32388)

Question 370468: My Math homework says...
Determine whether each relation is a function.
{5,3), (1,4), (-6,5),(1,6),(-2,7)
and
{(2,3),(-3,-4),(-1,3),(6,7).
Can anyone give me help?
Click here to see answer by stanbon(75887)

Question 370524: can you please help me sketch the graph 3x+y=5 on a graph?
Click here to see answer by jim_thompson5910(35256)

Question 370532: can you please help me graph the equation y=-2x+4 on a graph please
Click here to see answer by jim_thompson5910(35256)

Question 370531: can you please graph the equation y=-2x+4 on a graph please?
Click here to see answer by jim_thompson5910(35256)

Question 370531: can you please graph the equation y=-2x+4 on a graph please?
Click here to see answer by Earlsdon(6294)

Question 370537: can you help me graph the equation y= 2 over 5 x+2 on the graph please

Click here to see answer by jim_thompson5910(35256)

Question 370541: can you help me graph the equation y=2over5x+2 on a graph please
Click here to see answer by mananth(16946)

Question 370574: can you please help me find the slope of the line (-18,18),(9,19) through each pair of points.
Click here to see answer by rfer(16322)

Question 370579: can you help me find the slope of the line(-18,18),(9,19) through each pair of points on a graph please

Click here to see answer by robertb(5830)

Question 370582: Solve by graphing, (shade greater than less than, and solution: 6X + 4y= 32, y + 1 = 3X
Click here to see answer by Fombitz(32388)

Question 370566: can you please sketch the graph y grater than or equal to x-4 on a graph please
Click here to see answer by nyc_function(2741)

Question 370565: can you sketch the graph y greater than or equal to x-4 on a graph please
Click here to see answer by nyc_function(2741)

Question 370625: what are the two solutions to the nonlinear system of equations below?
check all that apply.
y=3x
x^2+y^2=10
A)(-1,-3)
B)(1,3)
C)(10,-3)
D)(10,3)
E)(3,-1)
F)(-3,1)

Click here to see answer by amoresroy(361)

Question 370633: Graphing Parabolas
f(x)=-x^2+3x-1
Find the vertex. Simplify your answer and type as an ordered pair.
Click here to see answer by solver91311(24713)

Question 370690: Here is my last question of the day.
Find an equation of the line that passes through the given point and has the given slope. Express your answer in slope-intercept form.
(8,0), M = 1/3
Click here to see answer by ewatrrr(24785)

Question 370836: Can someone please explain how to solve this equation
5x+4y-20=0
I need to plot this on a graph and figure out the equation in slope intercept form. PLEASE HELP ME!!!!
Click here to see answer by ewatrrr(24785)

Question 370960: Y=0.12x+0.76
0.11x-Y=0.85
1)Are these lines intersecting parellel or perpendicular?
2) Use the equation of the lines to determine if they are parellel.
Click here to see answer by mananth(16946)

Question 371016: How would I graph a line that goes through (-5, -4), and has a slope of 2/5
Click here to see answer by robertb(5830)

Question 371139: how do you solve -3x + 1 on the graph?
Click here to see answer by stanbon(75887)

Question 371195: Find an equation of the line satisfying the given conditions. Write the equation using function notation.
Through (-20, 5) and (-36, 9)
Click here to see answer by user_dude2008(1862)

Question 371185: Find the vertex of the following using the quadratic function.
Simplify your answer and type as an ordered pair
f(x)=-x^2+3x-8
Click here to see answer by user_dude2008(1862)

Question 371314: Which is the graph of a line which has a slope of -4 and a y-intercept of
-3

Click here to see answer by ewatrrr(24785)

Question 371302: f(x)=-x^2+x-3
Find the vertex using the quadratic function,simplify your answer and type as an ordered pair.
Click here to see answer by Fombitz(32388)

Question 371436: Find the vertex of the graph, simplify and type as an ordered pair.
f(x)=-16x^2+8x+3
Click here to see answer by ewatrrr(24785)

Question 371577: -15 the human ear can distinguish sounds between 20 Hz an 20,000 Hz,inclusive.
Click here to see answer by Alan3354(69443)

Question 371549: how to rememberize equalities & inequalities?
Click here to see answer by Alan3354(69443)

Question 371569: Please help with solving and set builder form of this inequality.

2(x+4)<5x+3(x+2)
I came up with the set b uilder of {x|x > 1/3 }
Click here to see answer by rfer(16322)

Question 371600: Use the intercepts to graph the line described by each equation. x - y = 5
Click here to see answer by Alan3354(69443)

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, 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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, 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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