Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 604510: through:(4,2), parallel to y= - 3/4x-5
Click here to see answer by mananth(12270)

Question 604509: through:(-1,2), slope= 2
Click here to see answer by mananth(12270)

Question 604506: find equation of a line Through:(3,5)with slope=5/3
Click here to see answer by lawdej(58)

Question 604478: find the x and y intercepts of the graph of the equation y= 2/3x -4
Click here to see answer by lawdej(58)

Question 604507: find equation of a line through:(2,5), slope=undefined
Click here to see answer by lawdej(58)

Question 604508: through:(3,1), slope= 1/2
Click here to see answer by flame8855(424)

Question 604571: how do i find the x and y intercepts and slope of the equation 3x = -2
Click here to see answer by nerdybill(7003)

Question 604588: What is the slope of the line passing through the two points (5,-2) and (-1,3)?
Click here to see answer by josmiceli(9817)

Question 604524: how to make a graph if the slope was 3 and the y-intercept was ( 0,1 ) ??
is it right if i make the denominator of the slope 3 is 1 ?
Click here to see answer by Edwin McCravy(8999)

Question 604633: I am lost, how do I graph the following equation; calculating the slope, x-intercept, and y-intercept, and label the intercepts on the graph.
3x = -2
Click here to see answer by lwsshak3(6755)

Question 604653: find the x- and y- intercepts of -7x-6y+-2
Click here to see answer by Alan3354(31510)

Question 604659: through:(-3,-3), parallel to y =7/3x+3
Click here to see answer by Alan3354(31510)

Question 604664: through:(4,-4), parallel to y =-x-4
Click here to see answer by Alan3354(31510)

Question 604663: through:(2,0), parallel to y =1/3x+3
Click here to see answer by Alan3354(31510)

Question 604662: through:(-1,4), parallel to y=-5x+2
Click here to see answer by Alan3354(31510)

Question 604661: through:(-4,0), parallel to y=3/4x-2
Click here to see answer by Alan3354(31510)

Question 604665: through:(-2,4), parallel to y=-5/2x+5
Click here to see answer by Alan3354(31510)

Question 604669: 3(4x+1)=9-5(4x-3)
Click here to see answer by rfer(12727)

Question 604781: can you help me..because it so confusing..how to find the slope and y-intercept in this equation ??
x+y/2=4
thank you..
Click here to see answer by jim_thompson5910(28704)

Question 604762: 9. Find the equation of the line that goes through the points (-4,1) and (-1,4)
Click here to see answer by jim_thompson5910(28704)

Question 604765: Write the slope intercept equation for the line that passes through (14,-2) and is perpendicular to 7x-10y=18
Click here to see answer by alicealc(281)

Question 604804: Find the equation of the line containing the point (4,-2)and having the slope m=6
Click here to see answer by alicealc(281)

Question 604821: Just checking to see if I did this problem correctly.
Find the equation of the line that goes through the points (-4,1) and (-1,4)
I found the slope of -1/-1 or -1
y = x + b
4 = -1 + b
5 = b
answer y = x + 5 ??
Click here to see answer by Alan3354(31510)

Question 604901: Have to table and graph the following equation. 4x - 2y = 6. I need help with understanding the equation. I have to show work.
Click here to see answer by Alan3354(31510)

Question 603875: y=-2/3x-4 i would like to know how to graph this linear equation
Click here to see answer by jim_thompson5910(28704)

Question 605062: The values for two linear equations are listed below. What is the solution to the system of equations represented by these data? Equation A: (2,5), (-4,-7), (5,11), (-1-1)
Equation B: (5,11), (-3,-13),(0,-4),(1,-1)

I think if I use the midpoint formula on two pairs of points for each equation and then I can use that to make 2 equations for this problem. Am I correct? If not, then I am completely lost. I have no idea how to find an equation using 4 points.
Click here to see answer by mananth(12270)

Question 605206: Consider the equation 3x+5y=6 a) Give the equation of a line parallel to the above line.
b) Give the equation of a line perpendicular to the above line.
Click here to see answer by mananth(12270)

Question 605330: Find the equation of the line passing through the points (3,8) and (2,5)
Click here to see answer by jim_thompson5910(28704)

Question 605465: Graph the linear equation. 3x-4y= 24
Click here to see answer by stanbon(57956)

Question 605506: How do you write an equation from a graph? we are given a square grid with Y axis numbered with 4, 2, 0, -2, -4 and then X axis with -4, -2, 0, 2, 4. and then a line intersecting at y at the 2 and x at the 2. we haven't really tried anything because we don't know where to start. Thanks.
Click here to see answer by Edwin McCravy(8999)

Question 605587: How can you tell the difference between a linear and standard equation.
Click here to see answer by solver91311(17075)

Question 605698:
Click here to see answer by mathie123(224)

Question 605852: Determine whether the lines are parallel, perpendicular, or neither.
-8-5x=8y
-8x+5y=5
Click here to see answer by lwsshak3(6755)

Question 605884: I'm trying to classify the system and determine the number solutions without graphing
-5x-2y=10
-10x-4y=20
A. Consistent, dependent
B. consistent , independent
C. Inconsistent
D. None of these
Email llthomas83@yahoo.com
Click here to see answer by jim_thompson5910(28704)

Question 605908: What does the graph look like if i had equations
7x-3y=4
-x-8y=4
Click here to see answer by solver91311(17075)

Question 605953: slope of a roof. What is the slope of a 7 in 12 roof? How much does the roof rise in 15 horizontal feet? My book says the answers are .58 and 8.75. I got the .58 and can't understand how to get the 8.75.
Click here to see answer by scott8148(6628)

Question 606020: What is the slope intercept form of x-4y=-20

Click here to see answer by Alan3354(31510)

Question 606219: what is the equation of a line with a slope of 4 and passes through point (1,-4)?
Click here to see answer by mathie123(224)

Question 606359: Using y-mx+b write an equation for a line that goes through the poings (8,0) (6, -8).
i would say that m=0-(-8)/8-6 which is 8/2 or 4
so -8=4(0)+m
Click here to see answer by ewatrrr(10682)

Question 606480: graph y=2^x

Click here to see answer by Edwin McCravy(8999)

Question 606514: Hi I need help with my son's 5th grade math, yes, I do not understand it and it is frustrating me... He is working on Problem solving: working backward. He starts at an ending point and must find the starting point. like on a graph. Here is an example. (x,y) Ending is (6,5), 3 to the left, (9,5) 2 down (9,7) 4 to the right (x,y). I thought I figure it out (5,7). Which I did but the way the book explains it, I did it wrong... So confusing help please!!!!
Click here to see answer by rfer(12727)

Question 606607: how to prove the identity sin x / 1-sinx - sin x / 1+sin x = 2tan^2 x
Click here to see answer by lynnlo(4169)

Question 606833: Here is my problem. A botanist finds that the height of a tree, in cm, is related to its age, in weeks, by the equation y=3x+1. Graph this equation
Click here to see answer by solver91311(17075)

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