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1. |
Find the value of  |
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A. |
-14 |
B. |
14 |
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C. |
-56 |
D. |
5 |
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Hint |
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2. |
Solve x + 4 > 1 or x - 7 < 6. |
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A. |
all reals |
B. |
{x | x < 13} |
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C. |
{x | x < -3 or x > 13} |
D. |
{x | x > -3} |
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Hint |
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3. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = -4, b = 0.9 |
B. |
m = 4, b = -0.9 |
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C. |
m = -0.9, b = 4 |
D. |
m = 0.9, b = -4 |
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Hint |
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4. |
State the solution of the system of equations graphed below. |
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A. |
(3, 1) |
B. |
(3, -1) |
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C. |
(-1, 3) |
D. |
(0, 3) |
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Hint |
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5. |
Solve the system of equations by using the elimination method. 
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A. |
(12, -2) |
B. |
(34, -13) |
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C. |
(2, 3) |
D. |
(4, 2) |
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Hint |
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6. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(2, -2) |
B. |
f(-2, 3) |
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C. |
f(3, 1) |
D. |
f(4, 6) |
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Hint |
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7. |
A(n) _____ is a transformation that occurs when a figure is moved from one location to another. |
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A. |
translation |
B. |
dilation |
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C. |
addition |
D. |
enlargement |
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Hint |
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8. |
If  , find N -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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9. |
Factor 8a4b - 3ab2c. |
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A. |
ab(8a3 - 3bc) |
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B. |
8ab(a2 - 3bc) |
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C. |
abc(8a3 - 3b) |
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D. |
a2b(8a2 - 3bc) |
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Hint |
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10. |
Simplify (8 - 9i) + (3 + 4i). |
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A. |
11 - 5i |
B. |
17 + 7i |
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C. |
-i + 17 |
D. |
11 + 5i |
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Hint |
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11. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
x =  |
B. |
x = 2 |
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C. |
x = 4 |
D. |
y = 3 |
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Hint |
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12. |
Solve the system of equations 3x – 5y = 4
–2x + 4y = 3. |
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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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13. |
What are the solutions to the system y + 2x – 5z = 4, –2y – 4x + 10z = 8, 3y + x – 3z = 5? |
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A. |
(2, 2, –2) |
B. |
no solution |
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C. |
(2, 2, 1) |
D. |
infinite |
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Hint |
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14. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
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A. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
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B. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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C. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
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D. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
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Hint |
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15. |
Find the coordinates of the vertices of the image of a rectangle ABCD with A(4, -3), B(-3, 1), C(-7, -3), and D(5, 2) after a reflection across the line y = x. |
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A. |
A'(3, 4),B'(-1, -3),C'(3, -7),D'(-2, 5) |
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B. |
A'(-4, -3),B'(3, 1),C'(7, -3),D'(-5, 2) |
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C. |
A'(-3, -4),B'(1, 3),C'(-3, 7),D'(2, -5) |
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D. |
A'(-3, 4),B'(1, -3),C'(-3, -7),D'(2, 5) |
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Hint |
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16. |
In order for a matrix to have an inverse, what must be true? |
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A. |
ad – bc = 1 |
B. |
ad – bc = 0 |
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C. |
ad – bc  1 |
D. |
ad – bc 0 |
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Hint |
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17. |
Solve the system of equations4x – 2y = 2, –3x + 7y = –29 |
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A. |
(–2, –5) |
B. |
(–2, 5) |
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C. |
(2, –5) |
D. |
no solution |
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Hint |
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18. |
In the expression q9 = p, what is the cube root of p? |
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A. |
q6 |
B. |
 |
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C. |
q3 |
D. |
 |
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Hint |
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19. |
Solve x2 - 11x + 24 = 0 by using the quadratic formula. |
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A. |
6, 16 |
B. |
7, –18 |
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C. |
3, 8 |
D. |
–3, –8 |
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Hint |
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20. |
Solve  by using the quadratic formula. |
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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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