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1. |
Determine if the following conjecture is true or false? Explain. Given: x2 = 4
Conjecture: x = 4 or x = -4 |
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A. |
True; two answers are always more accurate than one answer. |
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B. |
True; squaring a positive number results in a positive number and squaring a negative number results in a positive number. |
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C. |
False; the square root of 4 is 2 or -2. |
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D. |
False; the square root of a positive number is always a positive number. |
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Hint |
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2. |
Name the property that justifies if AB < BC and BC < CD,
then AB < CD. |
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A. |
Comparison Property |
B. |
Division Property |
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C. |
Addition Property |
D. |
Transitive Property |
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Hint |
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3. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
y = 3 |
B. |
x = 2 |
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C. |
x =  |
D. |
x = 4 |
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Hint |
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4. |
Find the value of x. |
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A. |
8 |
B. |
9 |
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C. |
7 |
D. |
 |
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Hint |
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5. |
Carpeting How much carpeting is needed to cover the floor of an L-shaped room with the dimensions shown in the figure? |
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A. |
286 ft2 |
B. |
264 ft2 |
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C. |
312 ft2 |
D. |
396 ft2 |
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Hint |
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6. |
Find the coordinates of the vertex of the graph of the equation
y = -3x2 - 12x - 5. |
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A. |
(-4, -5) |
B. |
(1, -20) |
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C. |
(-2, 7) |
D. |
(2, -41) |
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Hint |
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7. |
The intersection of two planes could be a ______. |
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A. |
line |
B. |
point |
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C. |
segment |
D. |
plane |
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Hint |
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8. |
Which statement needs to be true to prove  |
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A. |
m 1 + m3 = 180° |
B. |
1  2 |
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C. |
1 3 |
D. |
4 1 |
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Hint |
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9. |
Ed has a piece of rope with exactly 10 knots tied to make 9 equal lengths as shown. Using the rope, he wants to use the entire rope to make a triangle so that each vertex of the triangle occurs at a knot. How many different triangles can Ed make? |
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A. |
5 |
B. |
2 |
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C. |
3 |
D. |
4 |
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Hint |
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10. |
Find the coordinates of A (3, -2) after it has been translated by reflecting it over the graph of y = 1 and then y = -1. |
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A. |
(6, -3) |
B. |
(3, -6) |
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C. |
(-1, -2) |
D. |
(-2, 3) |
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Hint |
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11. |
A dilation with center C produced quadrilateral RSTV. What is the scale factor? |
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A. |
12 |
B. |
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C. |
9 |
D. |
2 |
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Hint |
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12. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of  |
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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. |
Graph the solution set to the inequality 5x – 3 < 3x + 7. |
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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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14. |
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard? |
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A. |
278 square yards |
B. |
192 square yards |
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C. |
50 square yards |
D. |
500 square yards |
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Hint |
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15. |
Simplify 5(2k2 – 3k) – 6k(–k2 + k – 7). |
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A. |
6k3 + 4k2 + 27k |
B. |
–6k3 + 4k2 + 27k |
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C. |
6k3 + 4k2 – 5k |
D. |
–6k3 + 4k2 – 5k |
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Hint |
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16. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C= find  |
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A. |
{2,4,6,8} |
B. |
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C. |
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D. |
{-3, -2, –1, 0, 2, 4, 6, 8} |
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Hint |
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17. |
What is the value of cell C4? |
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A. |
18 |
B. |
15 |
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C. |
1 |
D. |
27 |
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Hint |
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18. |
Which pair of angles are corresponding angles? |
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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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19. |
If m || h, m8 = (8x-12)° and m2 = (5x + 3)°, find m2. |
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A. |
28° |
B. |
5° |
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C. |
152° |
D. |
55° |
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Hint |
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20. |
Complete. 3 yd = _____ft |
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A. |
6 |
B. |
9 |
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C. |
27 |
D. |
1 |
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Hint |
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