18-05-2021
Mathematics

contestada

Placed the following quadratic in vertex form by completing the square and then state the coordinates of its vertex?

Y=x^2+18x-12

Respuesta :

clarch19 clarch19

18-05-2021

Answer:

y = (x + 9)² -93

vertex: (-9, -93)

Step-by-step explanation:

x² + 18x = 12

x² + 18x + 81 = 12 + 81

(x+9)² = 93

y = (x + 9)² -93

vertex: (-9, -93)

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