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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 511148: Write an equation for the line that is perpendicular to y = � x + 4 and passes through (�4, �5).
Click here to see answer by Maths68(1474)

Question 511161: M= 3 and contains the point (5,8)
Click here to see answer by solver91311(24713)

Question 511152: Find an equation of a line through (-2,-2) and parallel to
Line A: y - 2x + 5 = 0
Show all work and give the equation in Slope-Intercept form.

Click here to see answer by Maths68(1474)

Question 511225: 10x+15=6x+3.....Could you explain how to do theses types of problems I am having a hard time....Thank you
Click here to see answer by stanbon(75887)

Question 511225: 10x+15=6x+3.....Could you explain how to do theses types of problems I am having a hard time....Thank you
Click here to see answer by solver91311(24713)

Question 511247: How do I find the slope when the x-intercepts are exactly the same?
For example my give points are: (-4,3) and (-4,5).
Thank you.
Martha
Click here to see answer by solver91311(24713)

Question 511255: Find the y-intercept and the x-intercept for the graph of the equation
y=-3/5x+6
Click here to see answer by Alan3354(69443)

Question 511027: Will you please help me solve this equation? 2x+4=28
Thank you.:)
Click here to see answer by ankor@dixie-net.com(22740)

Question 511370: If the charge is $16 for t=0 minutes and c=$19.50 for 35 minutes, find the linear equation that expresses c in terms of t and use it to determine when t=75 minutes
Click here to see answer by lwsshak3(11628)

Question 511378: how do i graph -2y=10
Click here to see answer by mananth(16946)

Question 511464: the sum of 4 times a number and -2 is equal to the sum of 5 times the number and -2
Click here to see answer by oberobic(2304)

Question 511452: (x+9)(x-15)(x+5)>0
This is what I have so far.
(x+9)(x-15)(x+5)=0
x+9=0 x-15=0 x+5=0
x=-9 x=15 x=-5
x|x>-9 or 15>x>-5
Click here to see answer by John10(297)

Question 511539: -1/4(x-12)+1/2(x=2)-x+4
Click here to see answer by stanbon(75887)

Question 511550: I'm totally lost on this and would like someone to please explain it to me in simple terms as possible. The question is "Write a slope-intercept equation of the line whose graph is described. Parallel to the graph of 2x-y=1, y intercept (0,3)". There was no graph to go with this. Thank you!
Click here to see answer by John10(297)

Question 511551: I don't know how to calculate the slope, x-intercept, and y-intercept, and list this information. I also need to label the two points used to draw on the graph.
1)y = x + 3
2)y = -2x - 7
3)2x + 3y = 9
Click here to see answer by oberobic(2304)

Question 511598: graph the following equation and identify the y-intercept.
y=x+4
Click here to see answer by oberobic(2304)

Question 511719: help me solve this set of linear equations
5x-y=3
y=-3x-11
thank you very much
Click here to see answer by nerdybill(7384)

Question 511785: I'm having trouble will a few similar questions. I think once I see this one done, I will be able to get the rest. I need the point slope form of the line's equation. Then using the point-slope form, I need t o write the slope-intercept in function notation.
Given conditions: Slope = 5, passing through (2,3)
Thank you so much!
Click here to see answer by John10(297)

Question 511803:
Click here to see answer by John10(297)

Question 511803:
Click here to see answer by AJtreelover(1)

Question 511920: find the slope of the line that goes through the following points (-1,1),(-2,-5)
Click here to see answer by jim_thompson5910(35256)

Question 511926: find the slope of the line that goes through the following points (-4,6),(-8,6)
Click here to see answer by rfer(16322)

Question 511932: find the domain
{(7,-2),(-6,-4),(-9,-9),(-5,-5),(6,9)}
Click here to see answer by jim_thompson5910(35256)

Question 511928: evaluate f(x)=-5+8 at f(-3)
Click here to see answer by jim_thompson5910(35256)

Question 511963: Find the equation for the line that passes through the point (1,5) and that is parallel to the line with equation y=1/4x+1/2
Click here to see answer by oberobic(2304)

Question 512024: If (-5,3) is the endpoint of a line segment, and (-7,7) is its midpoint, find the other endpoint.
Click here to see answer by jim_thompson5910(35256)

Question 512016: Find an equation for the line, in the indicated form, with the given properties.
Containing the points (-8,1) and (-6,-2); general form
Click here to see answer by oberobic(2304)

Question 512026: Find an equation for the line with the given properties.
Parallel to the line 9x+4y=57; containing the point(5,-1)
Click here to see answer by jim_thompson5910(35256)

Question 512036: what is the standard form of perpendicular to y=13, through (-2,5)
Click here to see answer by josmiceli(19441)

Question 512192: Write the slope-intercept equation for the line containing the given pair of points. (−3,4) and (3,1)
Click here to see answer by Maths68(1474)

Question 512279: Question is : Write an equation of the line that is parallel to the graph of 2x-7y=3 and has the same y-intercept as x+3y=9? I keep getting confused, but I think I can always plug in 0 for X to find Y? I think I am doing this wrong. Please help and thank you!
Click here to see answer by scott8148(6628)

Question 512290: graph the line passing through the given point and having the given slope through (0,4)m=1/6
Click here to see answer by Alan3354(69443)

Question 512290: graph the line passing through the given point and having the given slope through (0,4)m=1/6
Click here to see answer by Edwin McCravy(20055)

Question 512447: Write the equation of a line first in double intercept form that passes through the points (0,3) and (5,0). Then, convert this equation to general form.
Click here to see answer by Alan3354(69443)

Question 512467: solve for 2x+y=3
Click here to see answer by Alan3354(69443)

Question 512529: -5x=9-2x
Click here to see answer by rfer(16322)

Question 512585: Find the standard form of the equation of the line with slope 7 passing through the points (3, -7)
Click here to see answer by rosey51235(30)

Question 512696: find the slope of the line
through point (3,5) parallel to y=(5x-1)
Click here to see answer by rfer(16322)

Question 512848: What is the equation in slop-intercept form of the line perpendicular to the segment between (1,3) and (5,5) and passing through (3,4)?
Thank You
Click here to see answer by mananth(16946)

Question 512814: write an equation of the line that passes through point p and is parallel to the line with the given equation.
p (3,9); y=4x-8
Click here to see answer by mananth(16946)

Question 512905: I need help graphing this - A line passes through the point P (-2,3) and has the slope of -1/2.
Click here to see answer by stanbon(75887)

Question 512916: please help me with this.I do not have any idea how to begin solving this.
f(x)=x^2-2x+3, g(x)=-2x+2 and h(x)=|x-3| What is the correct evaluation of f(2)?
thank you
Click here to see answer by stanbon(75887)

Question 512919: Please help I keep coming up with 3.19 which cannot be correct and have no idea what I am doing wrong. Thank you.

The cost in dollars to build a new home can be approximated using
`
c = 67s + 5000
`
where s is the home's floor area in square feet. Find the approximate home size that can be constructed for c = $105000.
Click here to see answer by Edwin McCravy(20055)

Question 512899: I need help putting these in slope intercept form (-1,7) and (-2,-15)
Click here to see answer by mananth(16946)

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