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1. |
A mathematical sentence like b - 432 = 197 is called a(n) ______. |
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A. |
equation |
B. |
variable |
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C. |
evaluation |
D. |
solution |
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Hint |
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2. |
Two numbers grouped together like (2, 5) are called ______. |
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A. |
x-coordinates |
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B. |
a coordinate system |
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C. |
an ordered pair |
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D. |
y-coordinates |
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Hint |
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3. |
Choose the graph of the ordered pair (3, 4). |
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A. |
 |
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B. |
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C. |
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D. |
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Hint |
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4. |
Evaluate the expression 2|x| - 3|y| if x = -8 and y = -5. |
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A. |
31 |
B. |
-1 |
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C. |
-31 |
D. |
1 |
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Hint |
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5. |
Which graph shows P(-1, -4)? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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6. |
Simplify (-16c) - (-4c). |
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A. |
12c |
B. |
20c |
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C. |
-20c |
D. |
-12c |
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Hint |
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7. |
Write x6 as a multiplication expression. |
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A. |
x · x · x · x · x · x |
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B. |
6x |
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C. |
6 · 6 · 6 · 6 · 6 · 6 |
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D. |
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Hint |
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8. |
Find y for y = x2 - 15 if x = 6. |
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A. |
21 |
B. |
-3 |
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C. |
51 |
D. |
49 |
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Hint |
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9. |
Simplify  |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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10. |
Which is not a valid property? |
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A. |
All of these are valid. |
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B. |
Associative Property of Addition |
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C. |
Associative Property of Multiplication |
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D. |
Associative Property of Subtraction |
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Hint |
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11. |
Add –6 + (-6). |
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A. |
-12 |
B. |
12 |
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C. |
0 |
D. |
-6 |
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Hint |
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12. |
Evaluate x – y + z if x = 12, y = 20, and z = -9. |
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A. |
-41 |
B. |
-17 |
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C. |
1 |
D. |
23 |
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Hint |
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13. |
Translate the following into an equation: negative six times a number decreased by two is negative twenty-six. |
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A. |
-2 – (-6n) = -26 |
B. |
-6n + 2 = -26 |
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C. |
-6n = -26 – 2 |
D. |
-6n – 2 = -26 |
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Hint |
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14. |
The number 250 is divisible by which number(s) from the following list? 2, 3, 5, 6, or 10 |
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A. |
2, 3, and 6 only |
B. |
5 and 10 only |
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C. |
2, 5, and 10 only |
D. |
All of 2, 3, 5, 6, and 10 |
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Hint |
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15. |
Factor 50x4y. |
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A. |
2 · 52 · x2 · x2 · y |
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B. |
2 · 52 · x4 · y |
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C. |
2 · 5 · 5 · x · x · x · x · y |
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D. |
2 · 5 · 5 · x · x · x · y |
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Hint |
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16. |
Factor –15x2. |
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A. |
-1 · 3 · 5 · x · x |
B. |
-1 · 3 · 5 · x2 |
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C. |
3 · 5 · x · x |
D. |
3 · 5 · x2 |
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Hint |
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17. |
Write the prime factorization of 500. |
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A. |
22 · 53 |
B. |
5 · 102 |
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C. |
24 · 52 |
D. |
23 · 52 |
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Hint |
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18. |
Factor 7x + 21. |
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A. |
7(x + 3) |
B. |
7x(1 + 21) |
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C. |
7(x + 21) |
D. |
x(7 + 21) |
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Hint |
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19. |
Write the expression m-7 using a positive exponent. |
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A. |
 |
B. |
-m7 |
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C. |
m7 |
D. |
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Hint |
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20. |
Express 3.456 × 10-4 in standard form. |
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A. |
0.003456 |
B. |
0.3456 |
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C. |
34,560 |
D. |
0.0003456 |
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Hint |
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