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

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
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

You May Also Like