1. Simplify the expression.
(x + 3y − 5z) − (x − 4y + 6z)
1
[removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
2. Simplify the expression.
(2x − 1)(x2 + 4x − 2)
1
[removed] [removed] [removed][removed][removed]
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| Points |
| 1 |
| –/2.5 |
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| –/2.5 |
3. If possible, completely factor the expression. (If the expression is not factorable, enter NF.)
x2 − 5x − 6
1
[removed] [removed] [removed][removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
4. Let x = 1 and y = 2. Find the value of the given capital letter.
N = x2 + 2xy + y2 + 1
N = 1[removed] [removed][removed]
| Question Part |
| Points |
| 1 | 2 |
| –/1.25 | –/1.25 |
| Total |
| –/2.5 |
5. Solve the equations.
(a)
2D + 5 = 13
D = 1[removed] [removed][removed]
(b)
21E − 7 = 0
E = 2[removed] [removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
6. Solve the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)
x2 − 6x + 6 = 0
x =
1
[removed] [removed] [removed][removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
7. Solve the inequality.
2 − x ≥ 3x + 10
1
[removed] [removed] [removed][removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
8. Write a formula to express the given relation.
The area A of a parallelogram is the product of the base b and the height h.
A =
1
[removed] [removed] [removed][removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
9. If you multiply a number by five and then subtract negative ten, the difference is negative thirty. What is the number?
1[removed] [removed][removed]
1[removed] [removed][removed]
| Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
10. Write the ratio given as a simplified ratio.
A cement mixture calls for 160 pounds of cement for 4 gallons of water. What is the ratio of cement to water?
1[removed] [removed][removed]to 1
| Question Part |
| Poi1nts |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
11. If 4 melons sell for $0.56, how much would 7 melons cost?
$ 1[removed] [removed][removed]
$ 1[removed] [removed][removed]
| 12Question Part |
| Points |
| 1 |
| –/2.5 |
| Total |
| –/2.5 |
12. If 11% of the 220 million adult Americans live in poverty, how many adult Americans live in poverty?
1[removed] [removed][removed]million adult Americans
1[removed] [removed][removed]million adult Americans
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