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Home > CC4 > Chapter A > Lesson A.1.3 > Problem A-32

A-32.
  1. Read the Math Notes box in this lesson. Evaluate the expressions below for the given values of x and y. Homework Help ✎

    1. + 9 if x = 3

    2. x2 + y if x = 2 and y = 1

    3. −2xy if x = 5 and y = −3

    4. 2x2y if x = −3 and y = 8

Rewrite the expression with the number in place of the variable and simplify if possible.

11

−(2)² + 1

−2(5)(−3) = −10(−3)

30

2(−3)² − (8)