terkpernorclement terkpernorclement

05-08-2020
Mathematics

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lf (-2,4) is a point on the graph of y=px^2-2x+4,where p is a constant, find the value of p.

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naangmenkuuandrews naangmenkuuandrews

05-08-2020

Step-by-step explanation:

4 = p(-2)² - 2(-2) + 4

4 = 4p + 4+4

4 = 4p + 8

4-8 = 4p

-4 = 4p

-4/4 = 4p/4

p = -1

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