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1. |
Determine the slope of the line graphed below. |
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A. |
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B. |
0 |
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C. |
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D. |
 |
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Hint |
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2. |
Which pair of lines graphed below are parallel? |
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A. |
k and n |
B. |
l and m |
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C. |
l and n |
D. |
k and m |
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Hint |
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3. |
The table shows the possible lengths and widths of a rectangle that has an area of 72 square centimeters. Make a scatter plot of the data. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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4. |
What is the slope of the line through the points A(-3, 4) and B(2, -1)? |
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A. |
1 |
B. |
-3 |
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C. |
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D. |
-1 |
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Hint |
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5. |
Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0). |
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A. |
2 |
B. |
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C. |
-2 |
D. |
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Hint |
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6. |
The graph of a linear function is _______. |
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A. |
None of these is correct |
B. |
a curved line |
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C. |
a straight line |
D. |
a horizontal line only |
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Hint |
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7. |
The greatest power in a quadratic function is ______. |
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A. |
3 |
B. |
4 |
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C. |
2 |
D. |
1 |
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Hint |
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8. |
What is the equation of the graph shown? |
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A. |
y = -x2 +2x - 1 |
B. |
y = -x2 - 2x - 1 |
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C. |
y = x2 + 2x + 1 |
D. |
y = x2 - 2x + 1 |
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Hint |
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9. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The equation has the form y = mx + b. |
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B. |
The graph does not pass through (0, 0). |
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C. |
The equation has the form y = mx. |
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D. |
Variables x and y are not proportional. |
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Hint |
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10. |
Find the table that represents a graph with direct variation. |
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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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11. |
Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis. |
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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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12. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –x + 2 |
B. |
y = –x – 2 |
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C. |
y = –2x + 1 |
D. |
y = –x – 1 |
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Hint |
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13. |
Which line is parallel to the line listed below?
 |
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A. |
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B. |
y = 2x - 5 |
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C. |
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D. |
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Hint |
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14. |
Which three points are collinear? |
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A. |
(1, 2), (–3, –2), (–2, –4) |
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B. |
(3, –1), (2, 5), (2, –3) |
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C. |
(–4, 4), (0, –4), (–1, –2) |
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D. |
(–5, 2), (1, 1), (4, 4) |
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Hint |
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15. |
What is the lowest point on the graph of y = x2 + 2? |
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A. |
(0, 0) |
B. |
(0, –2) |
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C. |
(2, 0) |
D. |
(0, 2) |
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Hint |
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16. |
Find the equation of the graph below. |
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A. |
y = x2 – 3 |
B. |
y = (x + 3)2 |
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C. |
y = (x - 3)2 |
D. |
y = x2 + 3 |
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Hint |
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17. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y doubles |
B. |
y halves |
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C. |
y triples |
D. |
y quarters |
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Hint |
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18. |
What is the reciprocal of –20? Evaluate it in decimal form. |
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A. |
–0.05 |
B. |
–0.20 |
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C. |
–0.50 |
D. |
–0.02 |
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Hint |
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19. |
How does b affect graphs of equations in the form of  ? |
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A. |
b affects the length of the graph |
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B. |
positive values of b move the graph to the left, negative values move it to the right |
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C. |
b affects the width of the graph |
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D. |
negative values of b move the graph to the left, positive values move it to the right |
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Hint |
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20. |
Consider the following conjecture. If an even number is written 2k, where k is a whole number, then 2k + 1 must be an odd number. What can be your next course of action in dealing with this conjecture? |
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A. |
test every possible case to prove the conjecture |
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B. |
find a counterexample to disprove the conjecture |
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C. |
develop an argument to prove the conjecture |
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D. |
all answers are correct |
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Hint |
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