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rcetrangolo
16.07.2019 •
Mathematics
What is the x coordinate of the vertex of the parabola who equation is y = 3x ^ 2 + 9x?
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Ответ:
Since a = 3 and b = 9, this means,
h = -b/(2a)
h = -9/(2*3)
h = -9/6
h = -3/2
h = -1.5
is the x coordinate of the vertex (h,k)
As a fraction, the answer is -3/2
In decimal form, that answer is -1.5
(use long division or a calculator to find that -3/2 = -1.5)
Ответ:
a
Step-by-step explanation:
It’s an step by step problem