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1. |
Which letter has rotational symmetry? |
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A. |
C |
B. |
M |
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C. |
E |
D. |
O |
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Hint |
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2. |
Use the distributive property to rewrite without parentheses. |
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A. |
24x - 24 |
B. |
24x - 3 |
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C. |
24x - 4 |
D. |
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Hint |
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3. |
Which inequality is graphed below? |
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A. |
x < 8 |
B. |
y < 8 |
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C. |
y > 8 |
D. |
y < 8 |
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Hint |
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4. |
Use the quadratic formula to solve x2 + 2x - 8 = 0. |
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A. |
-2 |
B. |
-4 |
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C. |
-4, -2 |
D. |
-4, 2 |
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Hint |
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5. |
Find the value of c that makes x2 + 16x + c a perfect square. |
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A. |
16 |
B. |
64 |
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C. |
-64 |
D. |
8 |
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Hint |
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6. |
Find the equation that has direct variation. |
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A. |
y = 5x + 1.3 |
B. |
y = 4x |
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C. |
y = –3x – 1 |
D. |
y = 0.8x + 9 |
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Hint |
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7. |
Find the equation that contains a decreasing linear relationship. |
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A. |
y = 5 – 6x |
B. |
y = 12+ 2x |
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C. |
y = 10 + x |
D. |
y = 4x – 3 |
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Hint |
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8. |
Which line is parallel to the line listed below?
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A. |
y = 2x - 5 |
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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. |
What type of relationship does the equation have if its second differences are constant? |
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A. |
linear |
B. |
constant |
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C. |
quadratic |
D. |
cubic |
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Hint |
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10. |
Find a solution to the equation using backtracking.
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A. |
c = –14 |
B. |
c = –1 |
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C. |
c = 8 |
D. |
c = 2 |
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Hint |
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11. |
How could you use the graph of h = 20t – 6t2 to estimate the solution(s) of 20t – 6t2 = 7, where h stands for height and t stands for time? |
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A. |
Draw a horizontal line at h = 20 and find where it intersects the curve. |
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B. |
Draw a horizontal line at h = 7 and find where it intersects the curve. |
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C. |
Draw a vertical line at t = 20 and find where it intersects the curve. |
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D. |
Draw a vertical line at t = 7 and find where it intersects the curve. |
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Hint |
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12. |
Find the angle of rotation for the following figure. |
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A. |
–30° |
B. |
–90° |
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C. |
150° |
D. |
30° |
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Hint |
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13. |
Describe a figure that is reflected over two intersecting lines? |
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A. |
a translation of the original figure across the intersecting lines |
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B. |
a translation of the original figure across the closest intersecting line |
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C. |
a reflection of the original figure across any line through the intersection point |
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D. |
a rotation of the original figure about the intersection point |
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Hint |
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14. |
Rule: (x, y) (x – 6, y + 1). Find the correct translation. |
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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. |
Write the expression in factored form.3x2 – 6x |
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A. |
x (x – 6) |
B. |
3x (x – 6) |
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C. |
3x (x + 2) |
D. |
3x (x – 2) |
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Hint |
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16. |
Multiply the pair of binomials.(4z – 2)(4z – 1) |
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A. |
16z2 – 2 |
B. |
16z2 – 12z – 2 |
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C. |
16z2 + 12z – 2 |
D. |
16z2 – 12z + 2 |
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Hint |
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17. |
Use the difference of two squares to find the product. |
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A. |
(60 + 1)(60 – 1) = 3,600 – 1 = 3,599 |
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B. |
–(60 + 1)(60 + 1) = –3,600 – 120 – 1 =– 3,721 |
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C. |
–(60 + 1)(60 – 1) = –3,600 + 1 = –3,599 |
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D. |
(60 + 1)(60 + 1) = 3,600 + 120 + 1 = 3,721 |
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Hint |
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18. |
Solve the equation by backtracking. |
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A. |
f = 16 |
B. |
f = –28 |
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C. |
f = –21 |
D. |
f = –24 |
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Hint |
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19. |
Give the approximate solution of this equation.5 + (2c – 3) 2 = 5 |
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A. |
c = 1.5 |
B. |
c = –1.5 |
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C. |
c = 1.5 and c = –1.5 |
D. |
c = –1.5 and c = –1.5 |
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Hint |
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20. |
Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using w for the width, find a function f(w) that represents the perimeter of the fence in terms of w. |
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A. |
lw = 50 |
B. |
l + w = 50 |
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C. |
l = 50 – w |
D. |
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Hint |
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