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1. |
Simplify (3a)(-2b) + (5b)(-2a). |
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A. |
-4ab |
B. |
-16ab |
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C. |
4ab |
D. |
16ab |
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Hint |
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2. |
Write an equation to represent the function. |
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 |
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A. |
 |
B. |
g(x) = 3x |
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C. |
g(x) = -2x |
D. |
g(x) = x + 3 |
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Hint |
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3. |
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4 |
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A. |
no solution |
B. |
infinitely many solutions |
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C. |
(2, 0) |
D. |
(0, -4) |
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Hint |
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4. |
Express 765,000,000,000 in scientific notation. |
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A. |
7.65 × 10-11 |
B. |
0.765 × 1012 |
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C. |
7.65 × 1010 |
D. |
7.65 × 1011 |
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Hint |
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5. |
Find the GCF of 14a2b4c and 56ab2c2 |
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A. |
56a2b2c2 |
B. |
56ab2c |
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C. |
14a2b4c2 |
D. |
14ab2c |
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Hint |
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6. |
Which is the graph of the equation y = 2x2 - 1? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Name the property used in the equation r × 21 = 1. Then solve for r. |
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A. |
Additive Identity; r = 0 |
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B. |
Multiplicative Identity; r = 1 |
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C. |
Multiplicative Inverse; r =  |
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D. |
Multiplicative Identity; r = |
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Hint |
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8. |
A conditional statement consists of a __________ . |
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A. |
conclusion only |
B. |
hypothesis and a conclusion |
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C. |
counterexample |
D. |
hypothesis only |
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Hint |
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9. |
Identify the coordinates of point A. |
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A. |
(2, 1) |
B. |
(5, 2) |
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C. |
(6, 4) |
D. |
(1, 2) |
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Hint |
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10. |
Solve  |
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A. |
No Solution |
B. |
x = -6 |
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C. |
All Real Numbers |
D. |
x = 6 |
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Hint |
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11. |
Find the total cost of three shirts at $25.99 each with a sales tax of 5.5%. |
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A. |
$83.47 |
B. |
$82.26 |
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C. |
$77.97 |
D. |
$120.85 |
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Hint |
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12. |
Find the slope of the line that passes through (5, -5) and (9, -5). |
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A. |
 |
B. |
0 |
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C. |
 |
D. |
undefined |
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Hint |
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13. |
Solve the system of equations given by 5x – 2y = -6 and 15x – 6y = 6. |
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A. |
infinitely many solutions |
B. |
(-2, -2) |
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C. |
no solution |
D. |
(1, 1) |
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Hint |
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14. |
Express 2.38 × 106 in standard notation. |
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A. |
238,000 |
B. |
0.00000238 |
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C. |
0.000000238 |
D. |
2,380,000 |
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Hint |
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15. |
Joanne has a garden that is 9 feet long by 6 feet wide. She wants to increase the dimensions of the garden by the same amount, and have the area of the new garden be 5 times the area of the present garden. What should the new dimensions be? |
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A. |
length = 24 ft
width = 30 ft |
B. |
length = 18 ft
wideth = 15ft |
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C. |
length = 15 ft
width = 18 ft |
D. |
length = 30 ft
width = 24ft |
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Hint |
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16. |
Suppose the equation of the axis of symmetry is x = 2. What is the y-coordinate of the vertex? |
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A. |
-2 |
B. |
2 |
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C. |
cannot be determined from given information |
D. |
4 |
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Hint |
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17. |
Find the vertex of y = –2x2 + 4x – 3, and tell whether it is a maximum or minimum. |
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A. |
(1, –1), maximum |
B. |
(–1, 1), maximum |
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C. |
(1, 3), minimum |
D. |
(–1, –9), maximum |
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Hint |
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18. |
Which method of solving quadratic equations is best suited for the equation x2 – 18x = 0 |
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A. |
factoring |
B. |
graphing |
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C. |
quadratic formula |
D. |
completing the square |
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Hint |
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19. |
Suppose that the geometric mean of two numbers is 48, and the first number is 12. What is the second number? |
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A. |
96 |
B. |
24 |
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C. |
192 |
D. |
84 |
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Hint |
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20. |
A number minus seventeen is negative twelve. Find the number. |
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A. |
5 |
B. |
-29 |
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C. |
-5 |
D. |
29 |
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Hint |
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