Question

Y = x2 + 2x - 6.
What’s the vertex form

Answer 1

y = (x + 1)² − 7

Explanation:

y = x² + 2x − 6

Complete the square.

y = x² + 2x + 1 − 1 − 6

y = x² + 2x + 1 − 7

y = (x + 1)² − 7