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1. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
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B. |
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C. |
2 |
D. |
-2 |
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Hint |
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2. |
A line of best-fit should not be drawn for which of the following graphs. |
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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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3. |
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three? |
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A. |
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B. |
3x + 4y = -16 |
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C. |
8y = - 6x |
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D. |
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Hint |
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4. |
Write an inequality for the sentence three times a number is less than 45. |
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A. |
3 + x < 45 |
B. |
3x > 45 |
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C. |
3x  45 |
D. |
3x < 45 |
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Hint |
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5. |
Which graph represents the solution to x + 4 > -2? |
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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. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
(-4, -8) |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-8, -16) |
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Hint |
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7. |
Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation. |
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A. |
0.1728 × 106 |
B. |
1.728 × 103 |
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C. |
17.28 × 104 |
D. |
1.728 × 105 |
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Hint |
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8. |
What is the solution of the system of equations shown below? |
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A. |
(0, 0) |
B. |
(3, 0) |
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C. |
(0, -3) |
D. |
(1, -2) |
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Hint |
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9. |
Find  . |
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A. |
-15 |
B. |
14 |
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C. |
-14 |
D. |
15 |
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Hint |
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10. |
Find  |
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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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11. |
Find the situation that involves a decreasing linear relationship and has direct variation. |
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A. |
A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second. |
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B. |
The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours. |
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C. |
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport. |
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D. |
A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second. |
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Hint |
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12. |
Write the equation in slope-intercept form.
–6x = –10 – 2y |
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A. |
–6x + 2y + 10 = 0 |
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B. |
y = 3x + 8 |
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C. |
y = 3x – 5 |
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D. |
y + 8 = 3(x + 1) |
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Hint |
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13. |
Find the graph of y = x2 + 1. |
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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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14. |
What is the new equation if the graph y = 2x3 – 6x2 is moved down 1 unit? |
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A. |
y = 2x3 – 5x2 |
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B. |
y = x3 – 6x2 |
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C. |
y = 2x3 – 6x2 + 1 |
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D. |
y = 2x3 – 6x2 – 1 |
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Hint |
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15. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y quarters |
B. |
y doubles |
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C. |
y triples |
D. |
y halves |
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Hint |
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16. |
What is the relationship between constant second differences and the coefficient of the equation? |
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A. |
the second difference is opposite the coefficient |
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B. |
the second difference is 2 times the coefficient |
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C. |
the second difference is the same as the coefficient |
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D. |
the second difference is –2 times the coefficient |
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Hint |
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17. |
Which number is not equal to the other three? |
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A. |
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B. |
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C. |
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D. |
2-2 |
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Hint |
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18. |
Find a solution to the equation using backtracking.
 |
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A. |
c = –1 |
B. |
c = –14 |
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C. |
c = 2 |
D. |
c = 8 |
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Hint |
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19. |
Julian said, ''I'm thinking of a number. When I add 3 to my number, multiply the sum by 12, divide the product by 8, and subtract the result by 7, I get 11. What is the number I'm thinking of?'' |
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A. |
10 |
B. |
8 |
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C. |
7 |
D. |
9 |
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Hint |
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20. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
x(x – 7) = 36 |
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A. |
x = 3.26, x = 6.31 |
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B. |
x = 10.45, x = –3.45 |
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C. |
x = –15.96, x = –1.15 |
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D. |
x = 11.00, x = –2.01 |
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Hint |
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