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1. |
Which of the following sentences is true? |
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A. |
 when x = 5. |
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B. |
 when x = 4. |
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C. |
3x + 5 < x2 when x = 4. |
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D. |
 when x = 6. |
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Hint |
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2. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
8 + y |
B. |
15 + y |
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C. |
8 + 3y |
D. |
15 + 3y |
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Hint |
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3. |
Simplify 6a + 15a. |
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A. |
21a2 |
B. |
42a |
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C. |
6a + 15a |
D. |
21a |
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Hint |
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4. |
Simplify 3 + 2(xy+ 3z) + 4xy. |
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A. |
9xy + 15z |
B. |
5xy + 3z + 3 |
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C. |
6xy + 6z + 3 |
D. |
6xy + 3z + 3 |
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Hint |
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5. |
Write the following expression with exponents.
b × b × b × b × b × b × b × b × b |
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A. |
b2 |
B. |
b9 |
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C. |
9b |
D. |
b18 |
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Hint |
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6. |
Evaluate:  when x = 3, y = 2, and z = 19. |
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A. |
19 |
B. |
1 |
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C. |
2 |
D. |
 |
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Hint |
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7. |
Solve  for y. |
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A. |
y = 5 |
B. |
y = 10 |
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C. |
y = 13 |
D. |
y = 2 |
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Hint |
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8. |
Name the property used in the equation r × 21 = 1. Then solve for r. |
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A. |
Multiplicative Identity; r = 1 |
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B. |
Multiplicative Inverse; r =  |
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C. |
Additive Identity; r = 0 |
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D. |
Multiplicative Identity; r = |
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Hint |
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9. |
Evaluate 2 × 17 × 5. |
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A. |
170 |
B. |
160 |
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C. |
180 |
D. |
190 |
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Hint |
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10. |
Simplify 7(b + 3) + 14. |
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A. |
7b + 35 |
B. |
24b |
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C. |
7b + 17 |
D. |
42b |
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Hint |
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11. |
Evaluate 0.75 + 2.2 + 0.25 + 0.8. |
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A. |
4 |
B. |
3 |
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C. |
5 |
D. |
6 |
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Hint |
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12. |
Which values are a counterexample to the given statement?
If x + y = an even number, then x is even and y is even. |
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A. |
x = 21, y = 3 |
B. |
x = 12, y = 6 |
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C. |
x = 10, y = 9 |
D. |
x = 7, y = 12 |
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Hint |
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13. |
Identify the hypothesis in the following algebraic statement:
If 3x + 10 = 13, then x = 1. |
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A. |
x = 1 |
B. |
3x + 10 |
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C. |
3x |
D. |
3x + 10 = 13 |
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Hint |
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14. |
Identify the conclusion in the following algebraic statement:
If a = 3, then 2a + 1 = 7. |
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A. |
2a |
B. |
2a + 1 = 7 |
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C. |
2a + 1 |
D. |
a = 3 |
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Hint |
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15. |
Which values of x and y are counterexamples to the given statement?
If x – y = an even number, then both x and y are even numbers. |
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A. |
x = 19, y = 13 |
B. |
x = 15, y = 8 |
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C. |
x = 22, y = 20 |
D. |
x = 12, y = 4 |
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Hint |
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16. |
Identify the hypothesis in the following statement: If x – 3 = 9, then x = 12. |
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A. |
x |
B. |
x = 12 |
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C. |
x – 3 |
D. |
x – 3 = 9 |
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Hint |
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17. |
Identify the conclusion in the following statement: If 13b + 12 = 77, then b = 5. |
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A. |
13b + 12 = 17 |
B. |
b = 5 |
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C. |
13b + 12 |
D. |
b |
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Hint |
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18. |
Draw a graph of the ordered pairs in the table. |
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A. |
 |
B. |
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C. |
 |
D. |
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Hint |
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19. |
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the first quarter? |
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A. |
60 |
B. |
15 |
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C. |
27 |
D. |
48 |
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Hint |
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20. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many total people responded to the survey? |
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A. |
95 |
B. |
85 |
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C. |
90 |
D. |
100 |
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Hint |
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