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Need this ASAP! A parabola opening up or down has vertex (0,0) and passes through (-20, 20). Write its equation in vertex form.<
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Need this ASAP!
A parabola opening up or down has vertex (0,0) and passes through (-20, 20). Write its
equation in vertex form.
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Mathematics
4 years
2021-09-02T02:41:35+00:00
2021-09-02T02:41:35+00:00 1 Answers
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Answers ( )
Answer:
Below.
Step-by-step explanation:
F(x) = (x – 20)(x + 20)
f(x) = x^2 – 400 This opens upwards.
If it opens down we have:.
f(x) = -(x – 20)(x + 20)
f(x) = -x^2 + 400.