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Find the vertex of the parabola given by the following equation.
y = x^2 + 10x + 33

A.) (5, 8)
B.) (-5, 8)
C.) (5, -8)
D. (-5, -8)

Respuesta :

choixongdong
y = x^2 + 10x + 33
y = x^2 + 10x + 25 + 8
y = (x + 5)^2 + 8

vertex (h, k) in this case h = -5, k = 8 so (-5,8)

answer
B.) (-5, 8)

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