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1. |
Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2). |
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A. |
5 |
B. |
-35 |
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C. |
-3 |
D. |
37 |
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Hint |
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2. |
Given f(x) = x2 + 1 and g(x) = 2x - 1, find (f - g)(x). |
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A. |
x2 + 2x |
B. |
x2 - 2x + 1 |
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C. |
x2 - 2x - 1 |
D. |
x2 - 2x + 2 |
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Hint |
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3. |
Find (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3. |
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A. |
6x2 - 5 |
B. |
12x2 - 36x + 28 |
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C. |
6x2 + 5 |
D. |
12x2 + 36x + 28 |
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Hint |
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4. |
Write an equation in slope-intercept form for the line with a slope of and a y-intercept of -3. |
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A. |
y = x + 3 |
B. |
y = x + 3 |
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C. |
y = x - 3 |
D. |
y = x - 3 |
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Hint |
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5. |
Determine whether the graphs of the pair of equations 3x - 2y = 7 and 3x + 2y = 7 are parallel, coinciding, or neither. |
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A. |
all are correct |
B. |
parallel |
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C. |
neither |
D. |
coinciding |
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Hint |
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6. |
Which is the best prediction equation for the data? |
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A. |
y = 10x - 19,950 |
B. |
y = 5x - 19,950 |
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C. |
y = 25x - 19,950 |
D. |
y = 20x - 19,950 |
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Hint |
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7. |
Which is the graph of g(x) = |6 - |2x||? |
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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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8. |
Which is the graph of the inequality y |x - 3|? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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9. |
An automobile manufacturer produces two kinds of cars--the Bobcat x and the Lion y. The company must always produce twice as many Bobcats as Lions and at least 300 cars but no more than 1200 cars per day. Model this situation algebraically. |
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A. |
300 x + 2y 1200 and x = 2y |
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B. |
300 2x + y 1200 |
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C. |
300 x + 2y 1200 |
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D. |
300 x + y 1200 and x = 2y |
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Hint |
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10. |
State the domain and range of the relation. Then state whether the relation is a function.{(2,-1), (-2,4), (2,5), (3,6)} |
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A. |
Domain {-2,2,3} Range {-1,4,5,6} The relation is a function. |
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B. |
Domain {-1,4,5,6}Range {-2,2,3} The relation is not a function. |
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C. |
Domain {-1,4,5,6}Range {-2,2,3}The relation is a function. |
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D. |
Domain {-2,2,3} Range {-1,4,5,6}The relation is not a function. |
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Hint |
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11. |
Which equation has an undefined slope? |
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A. |
y = 4x + 2 |
B. |
y = 4x |
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C. |
x = 4 |
D. |
y = 4 |
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Hint |
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12. |
Find the x- and y-intercepts of the equation:  |
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A. |
x-intercept –5; y-intercept 2 |
B. |
x-intercept –2; y intercept 5 |
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C. |
x-intercept 2; y-intercept 5 |
D. |
x-intercept 5; y-intercept -2 |
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Hint |
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13. |
Write an equation of a line that has no slope and passes through the point (5,-6). |
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A. |
y = 5 |
B. |
x = 5 |
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C. |
x = -6 |
D. |
y = -6 |
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Hint |
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14. |
Determine the equation of the perpendicular bisector of the line segment with endpoints (1,5) and (-6, 3). |
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A. |
2x + 7y - 23 = 0 |
B. |
14x + 4y + 19 = 0 |
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C. |
2x + 7y + 23 = 0 |
D. |
14x + 4y - 19 = 0 |
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Hint |
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15. |
What type of relationship does the scatter plot suggest? |
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A. |
a linear relationship with a positive correlation |
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B. |
a linear relationship with a negative correlation |
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C. |
no correlation |
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D. |
no linear relationship |
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Hint |
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16. |
Graph the equation  |
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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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