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1. |
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. |
8y = - 6x |
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C. |
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D. |
3x + 4y = -16 |
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Hint |
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2. |
Write the inequality that is graphed on the number line below. |
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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. |
Students from the local high school are selling tickets to the town's annual carnival. Adult admission is $5.00 and child admission is $2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling $1900. How many adults and how many children entered the carnival during the first two hours it was open? |
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A. |
320 adults, 120 children |
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B. |
220 adults, 220 children |
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C. |
380 adults, 760 children |
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D. |
293 adults, 147 children |
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Hint |
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4. |
Evaluate . Express the result in scientific notation. |
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A. |
8.0 × 10-7 |
B. |
80 × 10-8 |
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C. |
8.0 × 10-9 |
D. |
0.8 × 10-8 |
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Hint |
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5. |
Solve the system of equations y = 3x + 4 and by graphing. |
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A. |
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B. |
(-3, -5) |
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C. |
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D. |
(3, 5) |
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Hint |
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6. |
Draw the graph of y < 0.5x + 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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7. |
Find (x – 3)(x + 3). |
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A. |
x2 - 9 |
B. |
x2 + 9 |
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C. |
x2 - 6x - 9 |
D. |
x2 - 6x + 9 |
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Hint |
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8. |
Rectangle DEFG has vertices D(-4, -1), E(-2, -1), F(-2, -4), and G(-4, -4). Which graph shows the translation image of the rectangle that is 6 units right and 3 units up? |
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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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9. |
Simplify . |
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A. |
5x |
B. |
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C. |
2x |
D. |
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Hint |
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10. |
Find . |
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A. |
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B. |
2 |
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C. |
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D. |
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Hint |
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11. |
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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12. |
Find the product of (4n + 5) and (2n + 3). |
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A. |
6n2 + 18n + 8 |
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B. |
8n2 + 22n - 15 |
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C. |
8n2 + 22n + 15 |
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D. |
6n2 + 20n + 12 |
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Hint |
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13. |
Which way does the graph of y = –2x2 open? |
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A. |
down |
B. |
left |
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C. |
up |
D. |
right |
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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 = x3 – 6x2 |
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B. |
y = 2x3 – 6x2 – 1 |
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C. |
y = 2x3 – 6x2 + 1 |
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D. |
y = 2x3 – 5x2 |
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Hint |
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15. |
What type of relationship does the equation have if its second differences are constant? |
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A. |
quadratic |
B. |
cubic |
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C. |
linear |
D. |
constant |
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Hint |
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16. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
2 |
B. |
1 |
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C. |
4 |
D. |
3 |
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Hint |
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17. |
Identify the growth factor in the equation p = 682,363 × 1.08n where p is the population and n is the number of years after 2001. |
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A. |
n |
B. |
p |
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C. |
1.08 |
D. |
682,363 |
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Hint |
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18. |
Find a solution to the equation by doing the same thing to both sides. 3 – 6m = 5 – 7m |
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A. |
m = 0 |
B. |
m = –5 |
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C. |
m = –2 |
D. |
m = 2 |
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Hint |
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19. |
Find the angle of rotation for the following figure. |
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A. |
–90° |
B. |
30° |
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C. |
150° |
D. |
–30° |
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Hint |
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20. |
Scale the figure below by 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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