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

Tutors Answer Your Questions about Graphs (FREE)

Question 261884: Write the linear inequality described. Then graph the inequality:
x is positive.
Click here to see answer by richwmiller(9143)

Question 261847: Find an equation of the line that contains the point (1,0) and is perpendicular to 2x+y= -4
Click here to see answer by solver91311(16897)

Question 261890: Write the linear inequality described. Then graph the inequality:
y is not negative.
Click here to see answer by solver91311(16897)

Question 261890: Write the linear inequality described. Then graph the inequality:
y is not negative.
Click here to see answer by richwmiller(9143)

Question 261852: x+2y=8 and 2x+y=-6 ??
Click here to see answer by checkley77(12569)

Question 261892: solve for x and y
2x-y=-1
y=2x
Click here to see answer by richwmiller(9143)

Question 261947: Hi, I just need to know how you solve x-y=3 and x-2y=3 for Graphing Systems of Equations. I have tried to do it but I forgot the formula/how to do it and I really need your help!!!
Thanks! :)
Click here to see answer by checkley77(12569)

Question 261981: y= -5x + w
y= -5x + V
For What values of w and v does the system have exactly one solution?
Click here to see answer by solver91311(16897)

Question 262080: I have finals on Friday and I have a study guide and need some help to a least get c on the test

Click here to see answer by unlockmath(1603)

Question 262080: I have finals on Friday and I have a study guide and need some help to a least get c on the test

Click here to see answer by richwmiller(9143)

Question 262080: I have finals on Friday and I have a study guide and need some help to a least get c on the test

Click here to see answer by Nieleya(22)

Question 262127: why the line x = 4 is a vertical line.

Click here to see answer by Alan3354(30993)

Question 262176: what is the slope of y=12?
Click here to see answer by texttutoring(324)

Question 262210: y=-1/4x+2 is in slope intercept form already
y=mx+b; b is the y-intercept
Then the y-intercept is (0,b)
Therefore, the answer is (0,2)
Now please tell me why the coordinates are 0 and 2.
Thanks!
Michael Lane
Click here to see answer by drk(1908)

Question 262221: Find the intercepts and then use them to graph the equation f(x)=2x-6
Click here to see answer by drk(1908)

Question 262164: Sketch a GOOD graph of using at least 5 coordinate points. Write the x-intercept, y-intercept, domain, range. Then graph the equation on the calculator to check. What window range on your calculator gives you a good view of the graph?

Click here to see answer by Alan3354(30993)

Question 262270: Graph the equation and identify the y intercept
y+x=-10
I came up with
y=-1x-10
so the slope is -1 and the y intercept is -10?
Just needing to make sure this is correct and not sure how to graph it.

Click here to see answer by richwmiller(9143)

Question 262328: (3,-4),m=1

Click here to see answer by richwmiller(9143)

Question 262328: (3,-4),m=1

Click here to see answer by Edwin McCravy(8909)

Question 262353: What is the equation of the line that passes through (6,-4)and (3,2)
Click here to see answer by EMStelley(187)

Question 262421: Write the equation of the line on the graph in slope-intercept form. y=-2x-5
Click here to see answer by stanbon(57377)

Question 262418: x^2+y^2+8x+2y+13=0 Find the center and radius. If someone could explain the steps that would be great!!
Click here to see answer by drk(1908)

Question 262446: Graph the equation by plotting points
y=5

Click here to see answer by richwmiller(9143)

Question 262439: Find an equation in point-slope form of the line having the specified slope and containing the point indicated. m=-8; (6,9)
Click here to see answer by scott8148(6628)

Question 262601: y=-3x+1
Click here to see answer by jim_thompson5910(28598)

Question 262554: write an equation in slope intercept form for the line described.
contains the point (-3,-1) and is parallel to y=-2/3x+3
Click here to see answer by Alan3354(30993)

Question 262850: graph the equation and identify the y- intercept
y=4/3x+2
Click here to see answer by pinklipgloss2007(6)

Question 263001: slope -1;passes through (8,5)
Click here to see answer by Alan3354(30993)

Question 262999: slope-4;passes through (-5,1)
Click here to see answer by Alan3354(30993)

Question 263105: I'd like help with finding the X and Y intercepts of a graph of the equation:
Y = x over 2 + 1
I'm not understanding these exercises, I hope I entered this correctly.
Thank you,
Jeff

Click here to see answer by richwmiller(9143)

Question 263124: tell whether the ordered pair is a solution of the inequality (4,-3);y<-3x+2 thankyou
Click here to see answer by drk(1908)

Question 263131: graph the solutions of each linear inequality 4x-y<3 and 3x+4y<12
Click here to see answer by drk(1908)

Question 263135: barbara has no more than $144 to buy jewelry. Earrings cost $12 each and necklaces cost $24 each. How many of each can she buy? Write a linear inequality to describe the situation. Graph the linear inequality and give three possible combinations of errings and necklaces Barbara can buy.
Click here to see answer by Edwin McCravy(8909)

Question 263251: I need help to solve the equation 2x - 3y = -7 using slope and y-intercept

Click here to see answer by mananth(12270)

Question 263325: what is the slope to 3x-5y=-8
Click here to see answer by Alan3354(30993)

Question 263433: Graph the inequality on a plane.
2x+3y<6
The < sign is supposed to have a _ symbol underneath it but I can't add it.
Click here to see answer by Alan3354(30993)

Question 263441: how do you graph the equation y = -8/5 using the slope and y-intercept method?
Click here to see answer by richwmiller(9143)

Question 263441: how do you graph the equation y = -8/5 using the slope and y-intercept method?
Click here to see answer by drk(1908)

Question 263457: given the graph y=f(x) where f(x)=-(x-1)^2+1, find the graph of -f(x+1)^2+2
Click here to see answer by drk(1908)

Question 263466: Solve this equation 3x -9 =3y
Click here to see answer by checkley77(12569)

Question 263544: I need to find the x- and y- intercepts of the graph of the equation:
x/3-y/2=1
Thanks in advance for your help.

Click here to see answer by checkley77(12569)

Question 263545: find the vertex of f(x)=(1/4)x^2
Click here to see answer by drk(1908)

Question 263602: Please help me. I have to write an equation in point-slope form of the line that passes through the given points. My points are (1,5) and (-1,-5). I understand how to plot the points, but not how to put them in this formula
y= mx+b
Click here to see answer by richwmiller(9143)

Question 263642: 5(3x+4)< or equal to 5x-10
Click here to see answer by rfer(12666)

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