The relation y = x² + 2x + k passes through the point (2,0). Find the value of k

A. – 8
B. – 4
C. 4
D. 8

Correct Answer: Option A

A. – 8

Explanation

Y = x² + 2x + k (given)

y = o when x = 2

thus 0 = 2² + 2 x 2 + k

0 = 4 + 4 + k

given k = -8