trea56
22.07.2019 •
Mathematics
Which equation is y= 2x ^2 - 8x +9 rewritten in vertex form.
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Ответ:
y = a(x - h)2 + k, where (h, k) is the vertex of the parabola
so
y= 2x ^2 - 8x + 9
y= 2x ^2 - 8x + 8 + 1
y = 2(x^2 - 4x - 4) + 1
y = 2(x - 2)^2 + 1 <vertex form
Ответ:
A and D
Step-by-step explanation:
Hopes this helps