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

Tutors Answer Your Questions about Graphs (FREE)

Question 118553: Write y = 2/3x + 1/4 in standard form with integer coefficients.
Click here to see answer by jim_thompson5910(35256)

Question 118553: Write y = 2/3x + 1/4 in standard form with integer coefficients.
Click here to see answer by MathLover1(20849)

Question 118638: I have re-done this assignment at least four times already if someone can help me out I would be sooo grateful I am clueless as to what I am doing wrong.
The Question:
I need to solve this equation (x�+3x-4) with the graphing method.
This is what I turned in on the latest try and I am still doing it wrong please help.
1. x�+3x-4

X Y
-8 36
-7 24
-6 14
-5 6
-4 0
-3 -4
-2 -6
-1 -6
0 -4
1 0
2 6
3 16
4 24
5 36
There was a graph I turn in But it wouldn't let me paste it here, it had one line on the graph and it was a U-shape.
Click here to see answer by ilana(307)

Question 118678:
How to find the equation of a line (in slope-intercept form)from the graph?
For example: one that is vertical and is on positive four
Click here to see answer by m.hansen(16)

Question 118678:
How to find the equation of a line (in slope-intercept form)from the graph?
For example: one that is vertical and is on positive four
Click here to see answer by checkley71(8403)

Question 118726: Please help me with this problem---
The graph of 3x - y + 6 crosses the x - axis at x =
Thanking you
Click here to see answer by MathLover1(20849)

Question 118756:
Graph 5x=10=0
Click here to see answer by checkley71(8403)

Question 118755: Graph 5x=10=0
Click here to see answer by checkley71(8403)

Question 117084: Solve the system by substitution.
x � 4y = �9
2x + 2y = 12
Show all work

Click here to see answer by misscrt(37)

Question 118826: i know this might not be the right collum but i cant find where to put direct variations im really sorry:(
but if you can could you help me again
suppose the ordered pair in each excercise are for the same direct variation.find each missing value
(3,2) and (6,y)
i really need help or its summer school again :(
Click here to see answer by Earlsdon(6294)

Question 118879: 16x2 - 16x + 4 > 0 Solve each rational inequality. State and graph the solution set.
Click here to see answer by MathLover1(20849)

Question 118878: 16x2 - 16x + 4 > 0 Solve each rational inequality. State and graph the solution set.
Click here to see answer by MathLover1(20849)

Question 118877: 16x2 - 16x + 4 > 0
Click here to see answer by MathLover1(20849)

Question 118912: 1)Write the equation of the line through (1,2) and (-3,6) in the y=mx+b format. Please show all work.
Thank You

Click here to see answer by jim_thompson5910(35256)

Question 118913: Solve |7x - 4| = 10. Be sure to list all answers together.
SHOW ALL WORK
THANK YOU

Click here to see answer by jim_thompson5910(35256)

Question 118918: Is the operation performed correct ? Explain.
(4x^2 + 6x) / (2x) = 2x + 6

Click here to see answer by jim_thompson5910(35256)

Question 118916: Simplify (x^2 - 13x + 42) / (x^2 - 36)
This is a rational expression and your answer should be in the form of a rational expression.
PLEASE SHOW ALL WORK
THANK YOU
Click here to see answer by jim_thompson5910(35256)

Question 118917: A rectanular plot has been fenced with 500ft of wire. find the length and width of th plot if the length is 4 more than twice the width. Be sure to show both length and width along with units in your answer.
PLEASE SHOW ALL WORK
Click here to see answer by rajagopalan(174)

Question 118910: The question is?
Is the operation performed correct ? Explain.
(4x^2 + 6x) / (2x) = 2x + 6

Click here to see answer by tutor_paul(519)

Question 118920: [7\2X-4]=10 IF POSSIBLE
Click here to see answer by Fombitz(32388)

Question 118953: 2x-3x< -18+2x
I think the answer is x<6
Click here to see answer by checkley71(8403)

Question 118953: 2x-3x< -18+2x
I think the answer is x<6
Click here to see answer by mayank(15)

Question 118914: Factor 2x^3y^2 - 10x^2y + 12xy completely and include all factors in your answer.
SHOW ALL WORK
THANK YOU
Click here to see answer by jim_thompson5910(35256)

Question 118924: 0.0012)2(40000)
_______________=2.742
0.021
I NEED TO KNOW IF THIS IS TRUE OR FALSE
CAN YOU PLEASE SHOW YOUR WORK
Click here to see answer by mayank(15)

Question 118915: 4. Solve
x + y - z = 0
2x - y + z = 6
-x + y + z = 8
Show your answers as (x,y,z)
PLEASE SHOW ALL WORK
THANK YOU

Click here to see answer by mayank(15)

Question 118915: 4. Solve
x + y - z = 0
2x - y + z = 6
-x + y + z = 8
Show your answers as (x,y,z)
PLEASE SHOW ALL WORK
THANK YOU

Click here to see answer by MathLover1(20849)

Question 118911: Simplify

x2+5x+6 x2-5x+6
--------x--------
x2-4 x2-9
Click here to see answer by jim_thompson5910(35256)

Question 116717: Graph the linear equation
x = -3y
Click here to see answer by solver91311(24713)

Question 118923: SOLVE THE SYSTEM OF EQUATIONS USING MATRICES AND IDENTIFYTHE SOLUTION
2X-3Y+11Z=10
-2X+2Y-7Z=6
Click here to see answer by stanbon(75887)

Question 118921: SOLVE THE FORMULA FOR A FOR THE INDICATED VARIABLE H=7S
+1 FOR A
Click here to see answer by stanbon(75887)

Question 118919: X 2 3 X
=
1 5 2 -3
EVALUATE EACH DETERMINANT AND SOLVE THE RESAULTING EQUATION
Click here to see answer by stanbon(75887)

Question 119030: we are learning graphing in Algebra and I am just plain stuck on the question
X-Y=6
Y=-2
I don't have a clue on what they want and how to graph it.
Any help you can assist me with will be greatly appreciated. Thank you

macnan@roadrunner.com
Click here to see answer by stanbon(75887)

Question 119026: I think with this problem (t-7 over 4=11)you first multiply by 4 on both sides to get rid of it? But I'm not sure, can you please help me?
Click here to see answer by solver91311(24713)

Question 119025: I think with this problem (t-7 over 4=11)you first multiply by 4 on both sides to get rid of it? But I'm not sure, can you please help me?
Click here to see answer by ankor@dixie-net.com(22740)

Question 119052:
ECOLOGY The water level of a reservoir is at 27 feet. During a drought the
water level falls by 1 1/2 feet per week. Write an equation for the
wataer level L after w weeks. Graph the equation. In how many weeks will the
water level be at 18 feet.

I tried making a table and using point slope form, but I am just stuck on what to do and my math book isn't exactly explaining it to me.
Click here to see answer by tutorcecilia(2152)

Question 119134: Find the equation of the line that passes through the points (2,-3) and (-1,-2)
Click here to see answer by jim_thompson5910(35256)

Question 119155: I just need to remember how to graph an inequality like this:
2x - 3y > 6

Click here to see answer by jim_thompson5910(35256)

Question 119190: solve the equation -5y + 6=-(y-7)
> a. 4/13 b. -4 c. -1/4 d. 3 1/4
Click here to see answer by jim_thompson5910(35256)

Question 119194: Solve
x^2+6x+9=49
a.4,-4
b.10,-4
c.4, -10
d.10,-10
Click here to see answer by jim_thompson5910(35256)

Question 119205: solve the equation by finding square roots.
2x^2 = 14
Click here to see answer by jim_thompson5910(35256)

Question 119208: The expression -16t^2 +1100 models the height of an object t seconds after it has been dropped from a height of 1100 feet. Find the height of an object after falling for 4.1 seconds.
a. 1034.4 ft b. 831.04 ft c. 5403.36 ft d. 1368.96 ft
Click here to see answer by jim_thompson5910(35256)

Question 119210: 256x^2 = 36
a. -3/8, 3/8
b.-9/64,9/64
c.-8/3,8/3
d. -64/9,64/9
Click here to see answer by solver91311(24713)

Question 119159: A painter has exactly 32 units of yellow dye and 54 units of blue dye. She plans to mix the dyes to make two shades of green. Each gallon of the lighter shade of green requires 4 units of yellow dye and 1 unit of blue dye. Each gallon of the darker shade of green requires 1 unit of yellow dye and 6 units of blue dye.
29. Make a graph showing the numbers of gallons of the two greens she can make.
30. List three possible solutions.
Click here to see answer by ankor@dixie-net.com(22740)

Question 119211: 256x^2 = 36
a. -3/8, 3/8
b.-9/64,9/64
c.-8/3,8/3
d. -64/9,64/9
Click here to see answer by jim_thompson5910(35256)

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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, 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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, 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