Evaluating Expressions (B) - Loudoun County Public Schools

Evaluating Expressions (B)

Evaluate each expression using the values given.

1. 6 ? a - (u - a) (a = 5, u = 6)

6. 9 - (1 ? 9 + a) (a = 2)

11. y + 7 + u ? y (y = 6, u = 6)

2. 3b + b ? 7 (b = 1)

7. a ? 3 + 8 ? a (a = 7)

12. x ? x ? (z + x) (x = 9, z = 8)

3. 8 + y + 6 + 1 (y = 4)

8. b + 7 ? c ? b (c = 6, b = 8)

13. 9 + b - (b - 3) (b = 5)

4. 8 + 7b + 4 (b = 3)

9. 8 ? y ? 6 ? 4 (y = 6)

14. 7 - 6 (v - v) (v = 7)

5. (v ? v ? v)2 (v = 10)

10. (5 - 5) ? y4 (y = 5)

15. 1 + 4 ? 10 ? b (b = 9)

Math-

Evaluating Expressions (B) Answers

Evaluate each expression using the values given.

1. 6 ? a - (u - a)

(a = 5, u = 6)

=

1 5

6. 9 - (1 ? 9 + a)

(a = 2)

=

62 9

11. y + 7 + u ? y (y = 6, u = 6) = 14

2. 3b + b ? 7

(b = 1)

=

22 7

7. a ? 3 + 8 ? a

(a = 7)

=

73 21

12. x ? x ? (z + x)

(x = 9, z = 8)

=

81 17

3. 8 + y + 6 + 1 (y = 4) = 19

4. 8 + 7b + 4 (b = 3) = 33

8. b + 7 ? c ? b

(c = 6, b = 8)

=

52 3

9. 8 ? y ? 6 ? 4 (y = 6) = 32

13. 9 + b - (b - 3) (b = 5) = 12

14. 7 - 6 (v - v) (v = 7) =7

5. (v ? v ? v)2

(v = 10) = 100

10. (5 - 5) ? y4

(y = 5) =0

15. 1 + 4 ? 10 ? b

(b = 9)

=

49 9

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