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1. |
Determine the slope of the line graphed below. |
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A. |
 |
B. |
 |
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C. |
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D. |
0 |
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Hint |
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2. |
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three? |
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A. |
 |
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B. |
3x + 4y = -16 |
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C. |
 |
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D. |
8y = - 6x |
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Hint |
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3. |
Which pair of lines graphed below are parallel? |
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A. |
k and m |
B. |
l and n |
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C. |
l and m |
D. |
k and n |
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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. |
1 |
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C. |
-3 |
D. |
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Hint |
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5. |
Find  . |
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A. |
14 |
B. |
-15 |
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C. |
-14 |
D. |
15 |
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Hint |
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6. |
Solve the equation x2 = 0.81. |
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A. |
x = 0.9 only |
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B. |
none of these is correct |
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C. |
x = -0.9 only |
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D. |
x = 0.9 or x = -0.9 |
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Hint |
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7. |
Simplify  |
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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. |
What is the equation of a line that has a slope of 4 and passes through (6, 3)? |
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A. |
y = 4x – 27 |
B. |
y = 4x – 7 |
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C. |
y = 4x – 21 |
D. |
y = 4x – 3 |
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Hint |
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9. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x + 3 |
B. |
y = 3x – 9 |
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C. |
y = 3x + 9 |
D. |
y = 3x – 3 |
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Hint |
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10. |
Which line is parallel to the line listed below?
 |
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A. |
 |
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B. |
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C. |
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D. |
y = 2x - 5 |
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Hint |
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11. |
Find the graph of y = x2 + 1. |
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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 lowest point on the graph of y = x2 + 2? |
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A. |
(0, 0) |
B. |
(0, –2) |
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C. |
(0, 2) |
D. |
(2, 0) |
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Hint |
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13. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
there is no line of symmetry |
B. |
the line y = x |
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C. |
the vertical axis |
D. |
the horizontal axis |
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Hint |
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14. |
Find a quadratic equation for the table. |
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A. |
y = 5x2 – 2 |
B. |
y = x2 – 5 |
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C. |
y = 5x2 – 1 |
D. |
y = 5x2 + 1 |
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Hint |
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15. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
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A. |
1 m |
B. |
3.78 m |
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C. |
18.8 m |
D. |
2.13 m |
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Hint |
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16. |
What type of relationship does the equation have if its first differences are constant? |
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A. |
cubic |
B. |
constant |
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C. |
linear |
D. |
quadratic |
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Hint |
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17. |
Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false. |
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A. |
m = 1, n = 0 |
B. |
m = 1, n = 1 |
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C. |
m = 1, n = 2 |
D. |
m = –2, n = 0 |
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Hint |
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18. |
Identify the decay factor in the equation p = 1,508,069 × 0.89n where p is the bacteria population and n is the number of days after a vaccine was administered. |
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A. |
n |
B. |
p |
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C. |
1,508,069 |
D. |
0.89 |
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Hint |
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19. |
Evaluate.  |
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A. |
5 |
B. |
8 |
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C. |
–6 |
D. |
6 |
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Hint |
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20. |
Evaluate. |
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A. |
2 |
B. |
–3 |
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C. |
–2 |
D. |
3 |
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Hint |
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