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

Tutors Answer Your Questions about Graphs (FREE)

Question 1012820: How to graph -2x+1200
Click here to see answer by Theo(13342)

Question 1012828: For each part, use the equation 3x-8y=16 where x and y are real numbers.
A) graph the equation
B) give three solutions
C) how many solutions does the evasion have? Explain
Click here to see answer by ikleyn(52780)

Question 1012898: 5x - y + 2 = 0
Click here to see answer by fractalier(6550)

Question 1007337: graph y=3/4x
Click here to see answer by Ashley Arita(3)

Question 1004157: solve and graph
8n - 2<-9 + 7n
Click here to see answer by Ashley Arita(3)

Question 1012960: 3.16
The function f(x)=3x+2 is one-to-one
Find an equation for f^-1(x), the inverse function
f^-1(x)=
Click here to see answer by rothauserc(4718)

Question 1012975: Find the slope of the line that contains the following pair of points. (2, 4) and (0, 8)

Click here to see answer by Cromlix(4381)

Question 1012962: 3.13
Use the given conditions to write an equation for the line in point-slope form and
slope-intercept form.
Passing through (-4,9) and (1,-1)
Point slope form:
slope intercept form:
Click here to see answer by josgarithmetic(39617)

Question 1013022: What are the x- and y- intercepts of the linear function 2x-3y=12
Click here to see answer by MathLover1(20849)

Question 1013170: what does x= 5x+8y=40
Click here to see answer by Alan3354(69443)

Question 1013170: what does x= 5x+8y=40
Click here to see answer by fractalier(6550)

Question 1013246: Ashley was given 2 points. (4,-6) and (-2,0)
And was asked to create an equation that represents the line that passes through these points. Write 2 equations.
I am drawing a blank on how this is done
Click here to see answer by rothauserc(4718)

Question 1013235: Use the given conditions to write an equations for the line in point-slope form andslope intercept form
Passing through (-4,9) and (1,-1)
What is the equation of theline in point slope form?
What is the equation of the line in slope intercept form?
I got y=-2x+1 for both. I don't think this is correct though
Click here to see answer by rothauserc(4718)

Question 1013271: find the slope of each line y=7/2x+2
Click here to see answer by Edwin McCravy(20054)

Question 1013304: 4.7
Answer the following questions about the equation below:
12x^3 +53x^2 -34x+5=0
a. list all rational roots that are possible according to the Rational Zero Theorem:
b.Use synthetic division to test several possible rational roots. One raitonal root of the given equation is:
c. use the root from part (b) to solve the equation. The solution set is:
Click here to see answer by Boreal(15235)

Question 1013302: 4.5
Solve the equation x^3 -13x^2 +47x-35=0 given that one is a zero of f(x)=x^3 -13x^2 +47x-35
The solution set is { }
Click here to see answer by Alan3354(69443)

Question 1013339: 1.y=-2x -3 i do not get slope intercept
Click here to see answer by josgarithmetic(39617)

Question 1013343: This problem has me stumped. My calculator displays an error too! Could someone please help me?
"Use a graphing calculator to solve.
-5x+8y=7
3y=-2x-9"

Click here to see answer by Alan3354(69443)

Question 1013349: Use these points (1, 3) and (2, 8) to answer the problems below.
a. Find the slope of the line that passes through the points.
b. Graph the line.
c. Write the equation of the line in point-slope form.
d. Write the equation of the line in slope-intercept form.
e. Fill in the missing coordinates of the points (x, -3) and (-2, y).
I know how to solve all the problems except e. I just put all the problems here so whoever reads this can see what I've done so far.
Click here to see answer by josgarithmetic(39617)

Question 1013346: one-half of a number is less than sixteen
Click here to see answer by Alan3354(69443)

Question 1013346: one-half of a number is less than sixteen
Click here to see answer by fractalier(6550)

Question 1013407: y = 1/3x + 2
x - 3y= -12
Graft solutions

Click here to see answer by stanbon(75887)

Question 1013463: Which equatation represents a line that intersects y=3�+1 at exactly onepoint?
Click here to see answer by Boreal(15235)

Question 1013424: I have to present the arithmetic, geometric, harmonic and quadratic environments geometrically. Can you please help me, tell me some directions or send me pictures of them? Thank you very much.
Click here to see answer by fractalier(6550)

Question 1013650: If |w - 7| < -3, then w - 7 > -3 or w - 7 <3
Click here to see answer by Alan3354(69443)

Question 1013744: Explain in your own words how to graph the equation y=-1/3x+2
Click here to see answer by Alan3354(69443)

Question 1013745: The solution to a system of equations is (4, 6). One equation in the system is 2x+y=14. One term in the other equation is 3x. What could the equation be?
Click here to see answer by josgarithmetic(39617)

Question 1013793: how do you solve the inequality 4-2m>7-3m
Click here to see answer by Alan3354(69443)

Question 1013835: 4.2
Find the zeros for the given polynomial function and give the multiplicity for each zero. State whether
the graph crosses the x-axis and turns around at each zero.
f(x)=x^3 -6x^2 +9x
a. The zeros are:
b. The multiplicity at the leftmost zero is:
(type a whole number)
c. The multiplicity at the rightmost zero is:
(type a whole number)
d. Determine whether the graph crosses the x-axis or touches the x-axis and turns around at the leftmost zero
e. Determine whether the graph crosses the x-axis or touches the x-axis and turns around at the rightmost zero
My answers:
a. 0,3
b.0
c.3
d.crosses the x-axis
e.crosses the x-axis

Click here to see answer by MathLover1(20849)

Question 1014122: find the standard equation of a circle that satisfies the conditions.
Radius 9
Slope (-3,4)
Click here to see answer by Alan3354(69443)

Question 1014227: Sketch the graph for 2x + 4y = 12.

Click here to see answer by rothauserc(4718)

Question 1014352: 5.1
f(x)= (1/3)^x
Complete the table of coordinates:
x: -2,-1,0,1,2
y:?
Graph the coordinates
Click here to see answer by ikleyn(52780)

Question 1014422: Given F(x)=x^2+2x-8 , Solve F(x) Using each method below: Show work please.
1). Solve by graphing.
2). Solve for factoring.
3). Solve by the quadratic formula
Thanks!

Click here to see answer by Boreal(15235)

Question 1014456: Solve the system of linear equations by elimination.
2x+7y=1
2x−4y=12
Click here to see answer by ikleyn(52780)

Question 1014456: Solve the system of linear equations by elimination.
2x+7y=1
2x−4y=12
Click here to see answer by MathTherapy(10552)

Question 1014452: I don't understand this question...thank you to anyone who can help.
How would you describe the location of a graphed inverse variation based on the constant?
Click here to see answer by josgarithmetic(39617)

Question 1014494: sketch the line given by 2x-2y=5 label the x- and y- intercepts.
Click here to see answer by josgarithmetic(39617)

Question 1014578: In a new school auditorium, folding chairs 16 inches wide are to be installed side by side to form a row that so no longer than 25 feet. How many chairs will fit in the row?
Click here to see answer by ikleyn(52780)

Question 1014580: Patio blocks are packaged in bundles containing enough blocks to cover 16 per feet. Sophie wants to build a patio having dimensions 18 ft by 13 ft. What is the least number of bundles of blocks she should order?
Click here to see answer by fractalier(6550)

Question 1014633: How do you graph 2x+3y=-2
Click here to see answer by FrankM(1040)

Question 1014633: How do you graph 2x+3y=-2
Click here to see answer by stanbon(75887)

Question 1014691: 3x^2+13x+4
Click here to see answer by ikleyn(52780)

Question 1014715: Find the equation of the line that passes through the point (2,2) and the x-intercept is twice the y-intercept.
Click here to see answer by Theo(13342)

Question 1014710: 5.1
f(x)= (1/3)^x
Complete the table of coordinates:
x: -2,-1,0,1,2
y:?
Graph the coordinates
I got y: 27,9,3,0.333,0.111
I don't think this is correct though
Click here to see answer by Fombitz(32388)

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, 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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