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 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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