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Home > CCA > Chapter 11 > Lesson 11.3.5 > Problem 11-132

11-132.
  1. Multiple Choice: For which of the following equations or inequalities is x = −1 a solution? Homework Help ✎

    1. (x + 3)2 > 4

    2. 12-84b = 2x2

    3. 12-84b = 25

    4. x2 + 5x + 6 = 0

Substitute −1 for x in each of the equations or inequalities, then simplify and see which ones are true.