Question

What is the slope of the line that passes through the points (4, 2)(4,2) and (-16, -10) ?(−16,−10)?

Answer 1

Answer:y = 0.6x - 0.4

We have : y = ax+

(2,4)      => 2 = 4a + b          (1)

(-10,-16) => -16 = -10a + b     (2)

(1)(2) => a=0.6 , b= -0.4

=> y = 0.6a - 0.4