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1. |
Which letter has rotational symmetry? |
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A. |
M |
B. |
E |
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C. |
C |
D. |
O |
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Hint |
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2. |
Solve x2 – x – 72 = 0. |
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A. |
x = -8 |
B. |
x = 8 or x = -9 |
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C. |
x = 9 |
D. |
x = -8 or x = 9 |
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Hint |
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3. |
Solve  . |
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A. |
4 |
B. |
-2 |
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C. |
0 |
D. |
1 or 4 |
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Hint |
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4. |
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 $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank. |
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B. |
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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C. |
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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D. |
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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Hint |
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5. |
Find the graph of y = x2 + 1. |
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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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6. |
Which way does the graph of y = –2x2 open? |
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A. |
down |
B. |
right |
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C. |
left |
D. |
up |
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Hint |
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7. |
How many diagonals are connected to each vertex for a 25-sided polygon? |
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A. |
20 |
B. |
22 |
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C. |
21 |
D. |
25 |
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Hint |
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8. |
Which number is not equal to the other three? |
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A. |
2-2 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Which equation represents exponential decay? |
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A. |
y = 63 × 0.4x |
B. |
y = 63 × 4x |
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C. |
y = 63 × 4.4x |
D. |
y =  · 63x |
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Hint |
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10. |
Find a solution to the equation using backtracking.
 |
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A. |
a = 2 |
B. |
a = –2 |
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C. |
a = 3 |
D. |
a = 5 |
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Hint |
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11. |
Use a graph to solve the system of equations.
y = x2
y = –x + 2 |
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A. |
(1, 1), (4, –2) |
B. |
(4, 1), (1, –2) |
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C. |
(–2, 1), (1, 4) |
D. |
(–2, 4), (1, 1) |
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Hint |
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12. |
Select the figure that is a reflection. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
A figure has rotation symmetry of 8°. How many identical parts must there be? |
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A. |
45 |
B. |
70 |
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C. |
272 |
D. |
40 |
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Hint |
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14. |
Multiply the pair of binomials.(4z – 2)(4z – 1) |
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A. |
16z2 – 2 |
B. |
16z2 – 12z – 2 |
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C. |
16z2 – 12z + 2 |
D. |
16z2 + 12z – 2 |
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Hint |
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15. |
Consider the function f(x) = –x2 + 5. Write the new equation of the function after it has been translated 3 units down. |
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A. |
f(x) = –(x – 3) 2 + 5 |
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B. |
f(x) = –x2 + 2 |
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C. |
f(x) = –(x + 3) 2 + 5 |
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D. |
f(x) = –x2 + 8 |
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Hint |
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16. |
Suppose you roll two 10-sided dice with faces numbered 1 to 10 and added the two outcomes. What is the probability that the sum is even? |
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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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17. |
Suppose two players each roll a die and find the difference between the numbers, subtracting the lesser number from the greater number. What is the probability that the difference is 0 or 1? |
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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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18. |
To win the 2-of-7 lottery game, players must match two numbers from 1 to 7 with those selected in a random drawing. How many ways are there to select the first number? |
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A. |
2 |
B. |
42 |
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C. |
14 |
D. |
7 |
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Hint |
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19. |
In a state lottery held twice per week, players choose 6 numbers from 1 to 54. They win the grand prize if they match all 6 numbers in any order. What are your chances of winning the grand prize? |
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A. |
1 out of 18,595,558,800 |
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B. |
1 out of 25,827,165 |
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C. |
1 out of 54 |
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D. |
1 out of 54,000,000 |
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Hint |
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20. |
Airline ticket prices for a trip from New York to Chicago vary widely on the Internet. The following table lists the Internet store, airline, and price for a roundtrip ticket from New York to Chicago. Consider how airline tickets vary from store to store. What is the mean price of a ticket at Traveltix? |
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A. |
$115.96 |
B. |
$116.09 |
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C. |
$107.74 |
D. |
$110.14 |
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Hint |
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