Question

Find the rate of change shown in the table. X 1 2 3 4 Y -3 -q -15 -21​

Answer 1

q = -9

Explanation:

(3, -15), (4, -21)

(-21 + 15)/(4 - 3) = -6/1 = -6

y + 15 = -6(x - 3)

y + 15 = -6x + 18

y = -6x + 3

q = -6(2) + 3 = -12 + 3 = -9