SOLUTION: Solve for y so that the line through the points has a given slope. (-3, 20), (2, y) M= -6

Algebra ->  Linear-equations -> SOLUTION: Solve for y so that the line through the points has a given slope. (-3, 20), (2, y) M= -6       Log On


   

Question 465126: Solve for y so that the line through the points has a given slope.
(-3, 20), (2, y) M= -6
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
y2 - y1
-------- = slope
x2 - x1

(-3,20) , (2,y)

y - 20
------- = -6 {substituted given values into slope formula}
2 - (-3)

y - 20
------ = -6 {simplified denominator}
5

y - 20 = -30 {multiplied both sides by 5}
y = -10 {added 20 to both sides}

For more help from me, visit: www.algebrahouse.com