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1. |
The system of equations on the graph shown is |
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A. |
inconsistent. |
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B. |
consistent and dependent. |
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C. |
consistent. |
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D. |
consistent and independent. |
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Hint |
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2. |
Daniel wants to send Jasmine flowers for her birthday. At the flower store, he can choose between roses, irises, or carnations. The salesperson tells Daniel that 50% of the customers buy roses, 30% buy carnations, and 20% buy irises. Which of the following is a valid conjecture? |
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A. |
Jasmine will be excited to receive flowers for her birthday. |
B. |
The salesperson likes carnations. |
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C. |
More customers buy roses than carnations. |
D. |
Daniel will buy Jasmine irises. |
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Hint |
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3. |
In the figure shown,  is an exterior angle of  Which
statement is correct? |
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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. |
If the measures of two sides of a triangle are 3 and 1, between what two numbers must the measure of the third side fall? |
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A. |
1 and 3 |
B. |
1 and 7 |
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C. |
2 and 5 |
D. |
2 and 4 |
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Hint |
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5. |
Solve the proportion  |
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A. |
13 |
B. |
0.02 |
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C. |
52.5 |
D. |
24 |
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Hint |
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6. |
Solve the equation w2 - 4w = 12 by graphing. |
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A. |
0, -3 |
B. |
6 |
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C. |
1, 4 |
D. |
-2, 6 |
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Hint |
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7. |
What percent of the data is between 62 and 90 for Exam B? |
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A. |
50% |
B. |
100% |
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C. |
75% |
D. |
25% |
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Hint |
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8. |
Of the movies Sally went to last year, 10 were comedies and 2 were dramas. Find the ratio of comedies to dramas. |
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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. |
Find the value of x. |
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A. |
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B. |
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C. |
12 |
D. |
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Hint |
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10. |
Refer to circle C. Find the value of x. |
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A. |
13 |
B. |
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C. |
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D. |
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Hint |
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11. |
A box of crayons contains 8 blue, 9 red, and 13 yellow. Find the probability of first choosing a yellow, then a blue, and then another yellow crayon if there is no replacement. |
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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. |
Which figure shows a line that is not a line of symmetry? |
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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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13. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a number that is less than or equal to three? |
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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. |
Simplify 5(2k2 – 3k) – 6k(–k2 + k – 7). |
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A. |
6k3 + 4k2 + 27k |
B. |
–6k3 + 4k2 + 27k |
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C. |
6k3 + 4k2 – 5k |
D. |
–6k3 + 4k2 – 5k |
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Hint |
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15. |
Consider two items. Item A is the length of a side of a right triangle whose hypotenuse is 30 and whose other side is 24. Item B is the length of the hypotenuse of a right triangle whose legs have lengths of 12 and 15. What is true? |
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A. |
Item A is greater. |
B. |
Item A = Item B |
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C. |
Item B is greater. |
D. |
cannot be determined from given information |
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Hint |
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16. |
Which answer shows all the possible subsets of {3, 7}? |
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A. |
{3}, {7}, |
B. |
{3,7}, {3}, {7}, |
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C. |
{3,7}, |
D. |
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Hint |
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17. |
If a = –3 and b = 4, what is  |
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A. |
12 |
B. |
–11 |
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C. |
–27 |
D. |
15 |
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Hint |
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18. |
Solve  |
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A. |
–7 |
B. |
7 |
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C. |
–21 |
D. |
–25 |
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Hint |
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19. |
Solve  by the method of determinants. |
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A. |
(2, -1, -2) |
B. |
(-1, 1, -2) |
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C. |
(1, -1, 2) |
D. |
(2, -2, 1) |
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Hint |
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20. |
What is the coefficient of the last term in the polynomial expansion for (a + b)5? |
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A. |
10 |
B. |
1 |
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C. |
6 |
D. |
5 |
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Hint |
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