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1. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
-2 |
B. |
2 |
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C. |
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D. |
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Hint |
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2. |
What is the slope of  in parallelogram ABCD? |
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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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3. |
Solve  . |
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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. |
Solve 3r + 5 > 26. |
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A. |
r > 7 |
B. |
r > 21 |
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C. |
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D. |
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Hint |
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5. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
(-8, -16) |
B. |
(-4, -8) |
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C. |
infinitely many solutions |
D. |
no solution |
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Hint |
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6. |
Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation. |
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A. |
17.28 × 104 |
B. |
0.1728 × 106 |
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C. |
1.728 × 105 |
D. |
1.728 × 103 |
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Hint |
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7. |
Which ordered pair is a solution of y < -4x - 5? |
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A. |
(0, 6) |
B. |
(-7, 0) |
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C. |
(2, 3) |
D. |
(1, -3) |
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Hint |
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8. |
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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9. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The graph does not pass through (0, 0). |
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B. |
Variables x and y are not proportional. |
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C. |
The equation has the form y = mx. |
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D. |
The equation has the form y = mx + b. |
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Hint |
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10. |
Find the situation that is linear but does not have direct variation. |
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A. |
At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts. |
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B. |
At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week. |
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C. |
At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank. |
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D. |
At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week. |
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Hint |
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11. |
Find the table that represents a graph with direct variation. |
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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. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x – 9 |
B. |
y = 3x + 9 |
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C. |
y = 3x + 3 |
D. |
y = 3x – 3 |
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Hint |
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13. |
Which way does the graph of y = –2x2 open? |
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A. |
right |
B. |
down |
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C. |
up |
D. |
left |
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Hint |
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14. |
How many diagonals are connected to each vertex for a 25-sided polygon? |
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A. |
21 |
B. |
20 |
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C. |
25 |
D. |
22 |
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Hint |
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15. |
Find which equation does not represent a reciprocal relationship. |
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A. |
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B. |
–6 = ef |
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C. |
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D. |
ab = 3 |
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Hint |
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16. |
What is a conjecture? |
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A. |
an educated guess that hasn't been proved yet |
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B. |
a ''shot in the dark'' guess that hasn't been proved yet |
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C. |
an educated guess that has been proved |
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D. |
a ''shot in the dark'' guess that has been proved |
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Hint |
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17. |
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.? |
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A. |
$12,400 |
B. |
$10,044 |
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C. |
$11,160 |
D. |
$15,309 |
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Hint |
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18. |
Which equation represents exponential growth? |
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A. |
y = 250 × 4x |
B. |
y = 250 ·  x |
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C. |
y = 250 × 0.4c |
D. |
y = 250 × 0.25x |
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Hint |
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19. |
Find the table that does not represent an exponential equation. |
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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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20. |
Find a solution to the equation by doing the same thing to both sides.
8p + 14 = 2p – 22 |
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A. |
p = –6 |
B. |
p = 6 |
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C. |
p = 1 |
D. |
p = –1 |
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Hint |
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