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1. |
What is the next term in the sequence 1, 3, 9, 27, 81, ...? |
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A. |
27 |
B. |
82 |
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C. |
243 |
D. |
108 |
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Hint |
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2. |
The vertex of the graph of the equation y = -x2 + 6x + 1 is |
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A. |
a maximum |
B. |
both a maximum and a minimum |
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C. |
a minimum |
D. |
neither a maximum nor a minimum |
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Hint |
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3. |
What are the real roots of the quadratic equation whose related function is graphed below? |
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 |
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A. |
3, -1 |
B. |
-1, -3 |
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C. |
3 |
D. |
-3, 1 |
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Hint |
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4. |
What are the real roots of the quadratic equation whose related function is graphed below? |
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 |
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A. |
-4, 4 |
B. |
-4 |
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C. |
4 |
D. |
-2 |
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Hint |
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5. |
Use the quadratic formula to solve x2 + 2x - 8 = 0. |
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A. |
-4 |
B. |
-4, -2 |
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C. |
-4, 2 |
D. |
-2 |
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Hint |
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6. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
 |
B. |
-2, 1 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Find the vertex of y = –2x2 + 4x – 3, and tell whether it is a maximum or minimum. |
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A. |
(1, 3), minimum |
B. |
(1, –1), maximum |
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C. |
(–1, 1), maximum |
D. |
(–1, –9), maximum |
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Hint |
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8. |
Solve x2 – 8x + 16 = 13 by taking the square root of each side. |
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A. |
-4 |
B. |
4 |
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C. |
-2 |
D. |
2 |
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Hint |
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9. |
How many real roots are there for the equation 2x2 + 6x + 3? |
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A. |
cannot be determined from given information |
B. |
1 |
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C. |
0 |
D. |
2 |
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Hint |
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10. |
Use a graph in order to approximate  . |
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A. |
0.0045 |
B. |
112.6 |
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C. |
133.4 |
D. |
0.0089 |
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Hint |
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11. |
Use a graph to approximate 31.2. |
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A. |
5.4 |
B. |
3.12 |
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C. |
0.27 |
D. |
3.7 |
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Hint |
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12. |
Nancy invests $100 in one account for ten years at a 9% interest rate compounded annually, and she invests $150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in the accounts after 10 years? |
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A. |
$507.65 |
B. |
$236.74 |
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C. |
$505.36 |
D. |
$270.92 |
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Hint |
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13. |
Ricky invested $1000 in an account at 8% interest compounded quarterly. How much money will he have earned on the account after 7 years? |
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A. |
$713.82 |
B. |
$1,713.82 |
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C. |
$1,741.02 |
D. |
$741.02 |
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Hint |
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14. |
Suppose that the sixth term of a geometric sequence is 1215, and the first term is 5. What is the second term? |
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A. |
8 |
B. |
15 |
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C. |
9 |
D. |
12.5 |
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Hint |
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