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1. |
State the domain and range of the relation. |
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A. |
3 is included in the domain, and all real numbers are included in the range. |
B. |
3 is included in the domain, and 3 is included in the range. |
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C. |
All real numbers are included in the domain, and 3 is included in the range. |
D. |
All real numbers are included in the domain and the range. |
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Hint |
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2. |
Find  (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3. |
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A. |
6x2 - 5 |
B. |
6x2 + 5 |
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C. |
12x2 - 36x + 28 |
D. |
12x2 + 36x + 28 |
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Hint |
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3. |
The population of Abnerville was 12,500 people in 1950. In 2000, the population was 250,000. Find the average rate of increase in the population over the 50 year period. |
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A. |
47,500 people per year |
B. |
47.5 or about 48 people per year |
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C. |
4750 people per year |
D. |
475 people per year |
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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. |
Write an equation in slope-intercept form for the line with a slope -3 and passes through the point (4, 2). |
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A. |
y = -3x + 4 |
B. |
y = -3x + 2 |
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C. |
y = -3x + 14 |
D. |
y = -3x - 8 |
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Hint |
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6. |
Determine the equation of the perpendicular bisector of the line segment with endpoints S(2, 6) and T(10, -4). |
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A. |
4x - 5y - 19 = 0 |
B. |
4x - 5y + 19 = 0 |
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C. |
5x - 4y - 19 = 0 |
D. |
5x + 4y + 19 = 0 |
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Hint |
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7. |
What type of relationship or pattern does the scatter plot suggest? |
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A. |
none of these |
B. |
a linear relationship whose data have a negative relationship |
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C. |
no pattern |
D. |
a linear relationship whose data have a positive relationship |
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Hint |
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8. |
Which is the graph of the inequality x + 2y - 2  0? |
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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. |
Which is the graph of the inequality y |x - 3|? |
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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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10. |
Find f(2b2) for f(x) = x2 – 4x |
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A. |
2b4 - 8b2 |
B. |
-4b2 |
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C. |
4b4 - 8b2 |
D. |
4b2 - 8b8 |
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Hint |
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11. |
Given f(x) = x-5 and g(x) = x2+ 3,find (f · g)(x). |
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A. |
x3 +5x2 +3x-15 |
B. |
x2 –2x-15 |
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C. |
x3 –5x2 +3x -15 |
D. |
4x3 –2x |
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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 –2; y intercept 5 |
B. |
x-intercept 2; y-intercept 5 |
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C. |
x-intercept –5; y-intercept 2 |
D. |
x-intercept 5; y-intercept -2 |
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Hint |
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13. |
Determine whether 3x - 5y + 1 = 0 and 6x - 10y + 2 = 0 are parallel, coinciding, or neither. |
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A. |
all are correct |
B. |
coinciding |
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C. |
perpendicular |
D. |
parallel |
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Hint |
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14. |
Graph the data on a scatter plot. |
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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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15. |
Graph the equation  |
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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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16. |
What is the value of y when x = 2? |
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A. |
undefined |
B. |
1 |
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C. |
2 |
D. |
0 |
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Hint |
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