Subskill # 45 Computations in Text/Algebraic Operations I
Choose the best answer to each question.
Vocational Preparatory Instruction Mathematics
Subskill # 45 Computations in Text/Algebraic Operations I
1. 6−(2)(3) = A. 12
B. 0
C. 8
D. 6
2. 9 +15 ÷3 = A. 8
B. 4
C. 24
D. 14
3. 5(7−2)2 = A. 25
B. 125
C. 250
D. 625
4. 4+[(9−2)2 + (10−5)] =
A. 86
B. 58
C. 48
D. 82
5. (-5) + (-4)(6) = A. 20
B. −54
C. -29
D. 19
6. 103 × 102 = A. 1005
B. 105
C. 106
D. 10
7. 10-3 × 105 = A. 100
B. 1015
C. 10015
D. 1002
8. 105 ÷ 10 = A. 106
B. 104
C. 105
D. 14
9. 46 ÷ 44 = A. 256
B. 16
C. 44
D. 1
10. y · y3 = A. y3
B. 2y3
C. y4
D. y
11. w12 A. w3
w4 B. w
C. w5
D. w8
Simplify each expression
12. 8m + m = A. 9m2
B. 9m
C. 4m3
D. 8m2
13. 6f +2f +f = A. 8f
B. 9f
C. 8f
D. 9f3
14. 6xy−2xy+8= A. 4xy + 8
B. 4x2y2+8
C. 8xy+8
D. 8x2y2+8
15. 6(a + 12) A. 6a+12
B. 18a
C. 6a + 72
D. a+72
16. -3(s − 5) A. -3s + 15
B. −3s-5
C. 3s−15
D. 3s+15
17. 4t2 · 3t A. 12t3
B. 7t
C. t3
D. 12t
18. 9xy(x) A. 18xy
B. 9x2y
C. 9x2
D. 9xy
19. 12y2 · 4y A. 4y
12y B. 48y3
C. 3y2
D. 4y2
20. 4a+3(a+2b) A. 7a+6b
B. 7a+2b
C. 4a+6b
D. 4a+3+2b
Vocational Preparatory Instruction Mathematics
Subskill # 45 Computations in Text/Algebraic Operations I
Answer Key
1. B
2. D
3. B
4. B
5. C
6. B
7. A
8. B
9. B
10. C
11. D
12. B
13. B
14. A
15. C
16. A
17. A
18. B
19. D
20. A
Vocational Preparatory Instruction Mathematics