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1. |
Find the y-intercept of the graph of 2x - 5y = 10. |
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A. |
5 |
B. |
0 |
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C. |
2 |
D. |
-2 |
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Hint |
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2. |
State the slope of the line graphed below. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Choose the graph of 3y - 2x > 6. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
The system of equations on the graph shown is |
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A. |
consistent and dependent. |
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B. |
consistent. |
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C. |
consistent and independent. |
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D. |
inconsistent. |
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Hint |
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5. |
Simplify  |
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A. |
 |
B. |
k17 |
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C. |
k3 |
D. |
k-3 |
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Hint |
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6. |
Simplify  |
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A. |
10a2b |
B. |
10a2|b| |
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C. |
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D. |
10ab |
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Hint |
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7. |
Simplify  |
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A. |
3 |
B. |
27 |
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C. |
9 |
D. |
 |
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Hint |
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8. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
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 |
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A. |
-6 |
B. |
-2 |
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C. |
-2, 3 |
D. |
-3, 2 |
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Hint |
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9. |
Simplify  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Paleontology A fossil is found that contains 10% of the amount of carbon-14 found in a living being. About how old is the fossil? |
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A. |
15,300 years |
B. |
17,600 years |
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C. |
19,200 years |
D. |
20,700 years |
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Hint |
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11. |
Evaluate z (2yz + y) · y if y = -3 and z = 2. |
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A. |
9 |
B. |
47 |
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C. |
23 |
D. |
-43 |
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Hint |
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12. |
Find the domain of the relation shown in the graph. |
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 |
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A. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
B. |
{-3, -2, -1, 0, 1, 3} |
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C. |
{0, 1, 2, 3} |
D. |
{-2, -1, 1, 2, 3, 5} |
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Hint |
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13. |
A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in? |
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A. |
$217 |
B. |
$70 |
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C. |
$50 |
D. |
$25 |
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Hint |
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14. |
For which scatter plot will a good line of fit have a negative y-intercept? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Find the vertex of the graph of the function  . |
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A. |
(1, 2) |
B. |
(1, 4) |
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C. |
(1, 2) |
D. |
(1, 4) |
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Hint |
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16. |
What is the major difference between circles and ellipses? |
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A. |
Equations for ellipses can always be written in the form  , while circles cannot. |
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B. |
Ellipses may be elongated on one axis, while circles have a constant radius. |
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C. |
In circles, one of the squared terms has a coefficient that is = 0. |
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D. |
Ellipses are functions of x, while circles are not. |
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Hint |
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17. |
Simplify  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
If the rational expression of a function in simplest form is defined for x = a, but the original function is undefined for x = a, what happens at x = a? |
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A. |
There is a vertical asymptote at x = a. |
B. |
f(a) = 0 |
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C. |
There is a vertical asymptote at x = 0. |
D. |
There is a point discontinuity. |
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Hint |
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19. |
Which of the following types of functions is always continuous on its domain? |
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A. |
rational |
B. |
square root |
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C. |
inverse variation |
D. |
greatest integer |
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Hint |
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20. |
Solve log 5 (5x 2) > log 5 (2x + 10). |
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A. |
x > 4 |
B. |
0 < x < 4 |
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C. |
x < 4 |
D. |
x > 625 |
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Hint |
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