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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. |
Find (x + 3)(x - 5). |
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A. |
x2 + 8x - 15 |
B. |
x2 - 2x - 15 |
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C. |
x2 + 2x - 15 |
D. |
x2 - 15 |
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Hint |
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3. |
Solve the equation x2 = 0.81. |
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A. |
x = 0.9 or x = -0.9 |
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B. |
x = 0.9 only |
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C. |
x = -0.9 only |
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D. |
none of these is correct |
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Hint |
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4. |
The vertices of  are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. |
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A. |
A'(4, 2), B'(2, 0), C'(6, 1) |
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B. |
A'(-1, 1), B'(-3, -1), C'(1, 0) |
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C. |
A'(0, 2), B'(-2, 0), C'(2, 1) |
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D. |
A'(4, -4), B'(2, -6), C'(6, -5) |
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Hint |
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5. |
Triangle RST has vertices R(-3, 2), S(0, -5), and T(4, 5). When translated R' has coordinates (4, 1). Find the coordinates of S' and T'. |
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A. |
S'(-6, 7), T'(4, 11) |
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B. |
S'(-7, 6), T'(-11, 4) |
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C. |
S'(7, -6), T'(4, 11) |
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D. |
S'(7, -6), T'(11, 4) |
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Hint |
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6. |
Graph A(-2, 5) and B(-3, 6). Then reflect A and B over the y-axis and graph A' and B'. |
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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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7. |
Solve 5x2 – 10x = 0. |
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A. |
x = 0 or x = 2 |
B. |
x = 0 or x = -2 |
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C. |
x = 2 |
D. |
x = 0 |
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Hint |
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8. |
Solve x2 – x – 72 = 0. |
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A. |
x = 8 or x = -9 |
B. |
x = -8 |
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C. |
x = 9 |
D. |
x = -8 or x = 9 |
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Hint |
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9. |
Simplify the polynomial 4a2 + a2. |
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A. |
4a2 + a |
B. |
6a2 |
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C. |
4a2 |
D. |
5a2 |
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Hint |
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10. |
Simplify  . |
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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. |
Solve x2 - 4x + 1 = 0 by completing the square. |
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A. |
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B. |
1, 3 |
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C. |
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D. |
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Hint |
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12. |
Write the equation in slope-intercept form.
–6x = –10 – 2y |
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A. |
y = 3x – 5 |
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B. |
–6x + 2y + 10 = 0 |
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C. |
y = 3x + 8 |
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D. |
y + 8 = 3(x + 1) |
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Hint |
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13. |
Describe how the graph of y = (x + 1)2 differs from the graph of y = x2. |
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A. |
the graph of y = (x+1)2 moved 1 unit to the right |
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B. |
the graph of y = (x + 1)2 moved up 1 unit |
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C. |
the graph of y = (x + 1) 2 moved down 1 unit |
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D. |
the graph of y = (x + 1)2 moved 1 unit to the left |
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Hint |
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14. |
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 = 1 |
B. |
m = 1, n = 0 |
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C. |
m = 1, n = 2 |
D. |
m = –2, n = 0 |
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Hint |
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15. |
Use the following table to find the amount of medicine remaining in the bloodstream after n hours. |
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A. |
425 × 0.85n |
B. |
0.85 × 500n |
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C. |
500 × 0.85n |
D. |
0.85n |
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Hint |
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16. |
Find the angle of rotation for the following figure. |
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A. |
–30° |
B. |
30° |
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C. |
150° |
D. |
–90° |
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Hint |
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17. |
If b is the original figure, which figure is a translation? |
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A. |
a |
B. |
d |
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C. |
c |
D. |
e |
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Hint |
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18. |
Andy drew a 6.3 cm line on his paper. He then decided to make it larger by a scale of 1.5. How long is his new line? |
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A. |
7.8 |
B. |
9.45 |
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C. |
4.2 |
D. |
4.8 |
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Hint |
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19. |
Solve the equation by backtracking.6(x + 5) 2 – 10 = 14 |
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A. |
x = –7 |
B. |
x = –3 |
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C. |
x = –3 and x = –7 |
D. |
x = 3 |
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Hint |
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20. |
Find the quadratic equation with 1 solution. |
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A. |
4x2 + 4x – 35= 0 |
B. |
x2 – 10x + 21= 0 |
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C. |
x2 + 6x + 9 = 0 |
D. |
x2 – 2x + 2= 0 |
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Hint |
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