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24 February, 09:17

Evaluate the expression below when x = - 1.

2x2 - 5

x + 9

-7

8

-3

8

-1

8

-1

+2
Answers (1)
  1. 24 February, 12:03
    0
    In this case, all you need to do is plug in - 1 in place of x so

    -1+9 is 8

    the second to last choice is the correct solution.
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