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Mathematics
Mariam Lowe
11 October, 04:30
What is f (x) = 7x2 + 42x written in vertex form?
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Janessa Anderson
11 October, 07:06
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Hello,
y=7x²+42x
==>y=7 (x²+2*3*x+9) - 63
==>y=7 (x+3) ²-63
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