SOLUTION: Write the standard form of the equation of the line through the pair of points (7,4) and (-8,8). Write the equation using only interger coefficients.

Algebra ->  Equations -> SOLUTION: Write the standard form of the equation of the line through the pair of points (7,4) and (-8,8). Write the equation using only interger coefficients.      Log On


   

Question 847219: Write the standard form of the equation of the line through the pair of points (7,4) and (-8,8).
Write the equation using only interger coefficients.
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope.
m+=++%288-4%29%2F%28-8-7%29+=++-4%2F15
Find the y-intercept
y = mx +b
4 = (-4/15)*7 + b
4 = -28/15 + b
4 + 28/15 = b
88/15 = b
We now have y = -4/15 x + 88/15
Multiply both sides by 15.
15y = -4x + 88
4x + 15y = 88 <---- standard form