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jonny [76]
3 years ago
12

Can someone help confirm my work?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
4 0
You have the intercepts and x-coordinate of the vertex correct. There appears to be a math error in the calculation of the y-value of the vertex.

f(7/8) = (4*7/8 -7)*(7/8) -15 = -49/16 -15 = -289/16 = -18.0625

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