katherinec05 katherinec05

25-02-2019
Mathematics

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If y=-2x^2+4x, what is the value of y when x=-3.

If y2x24x what is the value of y when x3 class=

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dreamcatcher514 dreamcatcher514

25-02-2019

-30,
y = -2(-3)^2 + 4(-3)
y = -2(9) + (-12)
y = -18 + (-12)
y = -30

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