Question

Rewrite the equation in vertex form.
y = x2 + 6x +5

Answer 1

y = ( x + 3 )² - 4

Explanation:

y = a( x - h )² + k is the quadratic equation in vertex form

a² ± 2ab + b² = (a ± b)²

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y = x² + 6x + 5

y = ( x² + 2(3)x + 3² ) - 3² + 5

y = ( x + 3 )² - 4