Question

Find the value of ‘k’ if the points A(2, -2), B(4, 2) and C(7, k) are collinear.​

Answer 1

Answer:

k = 8

Step-by-step explanation:

SLOPES ARE EQUAL ON A STRAIGHT LINE.

$\frac{2 + 2}{4 - 2} = \frac{k - 2}{7 - 4} \\ \\ \\ \\ \frac{4}{2} = \frac{k - 2}{3} \\ \\ k - 2 = 6 \\ \\ k = 8.$