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1. The phrase "some number plus 20" is the same as
1. j + 20
2. j – 20
3. j × 20
2. Evaluate: a + 2(b) – c if a = 5, b = 3, and c = 2
1. 7
2. 9
3. 10
4. 11
3. Solve for z: 32 + –z = 12
1. 20
2. –12
3. 12
4. 20
4. The proportion "a is to b is as 3 is to 6" can be represented as
1. a + b = 3 + 6
2. a × b = 3 × 6 + 45
3. a(3) + b(6)
5. Solve for each variable.
• y + g = 12 and 2y + 3g = 16
1. g = 15, y = —3
2. g = 5, y = 7
3. g = 1, y = 11
4. g = –8, y = 20
1. –45g
2. 45g
3. 45g2
4. 135g
7. Subtract:
1. –230
2. –30
3. 30
4. 230
8. Multiply: (g3)(g12)
1. g–3
2. g15
3. g–15
4. g36
• g2 + gh + h2 + 3g2 + 4gh + 3h2 =
1. 2g2 + 3gh + 2h2
2. 2g2 + 5gh + 4h2
3. 4g2 + 5gh + 4h2
4. 4g2 + 3gh + 2h2
10. Multiply:
• 3h – 2m
• × 2h + m
1. 5h2 + 3m2
2. 6h2hm – 2m2
3. 6h2 + 5hm + 2m2
4. 6h2 + 4hm + 2m2
11. Factor: x2 + 4x – 12
1. (2x2 + 1 + 6)(–x2 + 3x – 2)
2. (x + 6)(x – 2)
3. (x + 4)(x + 3)
4. (x2 + 2)(x–2 + 4)
12. Reduce to lowest terms:
1. x – 2
2. _
13. Multiply:
14. Divide:
15. Which equation is represented by the following graph?
1. 2x + y = 0
2. x2 + 1 = 0
3. x + y = 5
4. 2x + y = 7
16. Using a number cube with sides labeled 1 through 6, what is the probability of throwing a 3 or a 4?
1. 2 in 4
2. 1 in 3
3. 2 in 8
4. 1 in 9