titanicvermin16 titanicvermin16

10-05-2018
Mathematics

contestada

Evaluate the expression below when x = -1. 2x2 − 5 x + 9 -7 8 -3 8 -1 8 -1

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popalabdulqayou popalabdulqayou

10-05-2018

plug in the -1 inside the given equation:

y=2x²-5x+9-78-38-18-1

y=2(-1)²-5(-1)-126= -119

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