xsxw6rgv79 xsxw6rgv79
  • 08-04-2022
  • Mathematics
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Evaluate -2x^2-4x+3 when x=-2

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sqdancefan
sqdancefan sqdancefan
  • 08-04-2022

Answer:

  3

Step-by-step explanation:

A polynomial is sometimes easier to evaluate if it is first written in Horner form:

  -2x^2 -4x +3 = (-2x -4)x +3

For x = -2, this is ...

  (-2(-2) -4)(-2) +3 = 0(-2) +3 = 3

The value is 3 when x = -2.

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