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qwertylol12345
23.10.2021 •
Mathematics
HELP HELP
Write the equation of the parabola in vertex form.
vertex (0,3), point (1, - 4)
f(x) =
(Simplify your answer.)
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Ответ:
Equation of the parabola: y = 3 - 7x^2
Step-by-step explanation:
The equation of the parabola with vertex (h,k) is y = a(x - h)^2 + k
Thus, the equation of this parabola is y = ax^2+3
To find a, use the fact that the parabola passes through the point (1,−4):
-4 = a(1)^2 +3
Solving this equation, we get that a = −7.
Thus, the equation of the parabola is y = 3 − 7x^2.
Ответ: