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1. |
One hundred people who enter a restaurant are asked to identify their favorite food. This sample is _____. |
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A. |
a good sample because the people are randomly chosen |
B. |
not a good sample because only people who eat at this particular restaurant are surveyed |
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C. |
not a good sample because you need to use at least 2000 people to have a good survey |
D. |
a good sample because there are a large number of people surveyed |
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Hint |
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2. |
The quotient of two integers with the same sign is _____. |
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A. |
negative |
B. |
equal to 0 |
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C. |
positive |
D. |
equal to 1 |
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Hint |
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3. |
There are 3 red gumballs, 2 blue gumballs, and 5 white gumballs in a sack. One gumball is drawn at random from the sack. Whate is the probability that the gumball is either red or blue? |
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A. |
 |
B. |
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C. |
0 |
D. |
 |
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Hint |
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4. |
Suppose y varies directly as x and y = 42 when x = 3. Find x when y = 70. |
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A. |
5 |
B. |
1.8 |
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C. |
9.8 |
D. |
2.5 |
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Hint |
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5. |
You can divide powers with the same base by _____. |
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A. |
subtracting the exponents |
B. |
multiplying the exponents |
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C. |
dividing the exponents |
D. |
adding the exponents |
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Hint |
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6. |
Solve the equation x(x – 9) – 10 = x(x + 2) + 12. |
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A. |
-22 |
B. |
2 |
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C. |
-7 |
D. |
-2 |
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Hint |
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7. |
Factor the trinomial x2 + 13x + 36. |
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A. |
(x + 6)(x + 6) |
B. |
(x + 9)(x + 4) |
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C. |
(x + 2)(x + 18) |
D. |
(x + 3)(x + 12) |
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Hint |
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8. |
The coordinates of the vertex for the graph of y = (x – 1)2 + 2 are ___________. |
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A. |
(1, –2) |
B. |
(–1, –2) |
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C. |
(1, 2) |
D. |
(–1, 2) |
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Hint |
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9. |
To solve any quadratic equation of the form ax2 + bx + c = 0, which is the correct statement of the Quadratic Formula? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Refer to the line graph. How much will Jason's pet pig Charley weigh by the time he is 17 weeks old? |
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A. |
75 lb |
B. |
135 lb |
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C. |
150 lb |
D. |
120 lb |
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Hint |
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11. |
Solve the equation  |
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A. |
10 |
B. |
5 |
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C. |
19 |
D. |
-3 |
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Hint |
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12. |
Which equation does the model represent? |
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A. |
x + 2 = 3 |
B. |
x + 3 = 2 |
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C. |
x + (-3) = -2 |
D. |
x + (-2) = -3 |
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Hint |
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13. |
Annette has $15.00 to spend at the thrift store. She buys 5 shirts for $1.00 each, 3 pairs of jeans for $1.50 each, and 2 books for $0.25 each. How much money does she have left? |
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A. |
$25.00 |
B. |
$22.50 |
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C. |
$5.00 |
D. |
$3.50 |
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Hint |
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14. |
Find the quotient 4 ÷ (-0.25). |
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A. |
16 |
B. |
-1 |
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C. |
1 |
D. |
-16 |
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Hint |
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15. |
Solve the equation 4 – x = -x + 6. |
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A. |
x = 10 |
B. |
x = -5 |
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C. |
no solution |
D. |
x = 3 |
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Hint |
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16. |
Find 56% of 150. |
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A. |
268 |
B. |
76 |
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C. |
315 |
D. |
84 |
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Hint |
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17. |
Select the correct graph for the relation y + 5x = 2 if the domain is
{0, 1, 2, 3, 4}. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
What is the equation of the graph? |
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A. |
y = 4.5 |
B. |
x = 4.5 |
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C. |
x = -4.5 |
D. |
y = -4.5 |
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Hint |
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19. |
Simplify the expression (jk)(2k)(3jk5). |
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A. |
5j3k7 |
B. |
6j3k7 |
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C. |
6j2k5 |
D. |
5j2k5 |
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Hint |
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20. |
The lowest point of a quadratic function is called the ________. |
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A. |
peak |
B. |
minimum |
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C. |
valley |
D. |
maximum |
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Hint |
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