Question

A line has a slope of 5/4 and passes through the points( -7,2) and (8,y) what is the value of y?

Answer 1

y = 83/4

Explanation:

Slope = (change in y)/(change in x)

5/4 = (y - 2)/(8 - (-7)

5/4 = (y - 2)/(15)

Now across multiply : 5(15) = 4(y-2)

75 = 4y - 8 Solve for "y"

75+8 = 4y

83 = 4y

83/4 = y