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1. |
When two lines have different slopes, the graphs of the equations are _________ |
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A. |
parallel lines. |
B. |
intersecting lines. |
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C. |
the same line. |
D. |
horizontal lines. |
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Hint |
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2. |
Solve the system of equations by using substitution. 
|
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A. |
(5, 11) |
B. |
(3, 7) |
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C. |
(1, 3) |
D. |
(4, 9) |
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Hint |
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3. |
Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write the function that describes the cost of the quilt. |
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A. |
96 = 4b + 7w |
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B. |
f(b, w) = 4b + 7w |
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C. |
f(b, w) = 0.80b + 1.20w |
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D. |
96 = 0.80b + 1.20w |
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Hint |
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4. |
Solve  |
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A. |
n = 9 |
B. |
n =  |
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C. |
n =  |
D. |
n = 2 |
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Hint |
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5. |
Which angle corresponds to  if  |
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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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6. |
In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________. |
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A. |
perpendicular bisector |
B. |
altitude |
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C. |
median |
D. |
hypotenuse |
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Hint |
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7. |
Use substitution to solve the system of equations.
5x + 5y = -30
2x - y = 15 |
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A. |
(21, 27) |
B. |
(3, -9) |
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C. |
infinitely many solutions |
D. |
no solution |
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Hint |
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8. |
Find the value of x in the pair of similar polygons. |
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A. |
7.5 |
B. |
6 |
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C. |
7.3 |
D. |
7 |
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Hint |
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9. |
Determine which point is a solution to the system of inequalities by graphing.
 |
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A. |
(0, 7) |
B. |
(5, 6) |
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C. |
no solution |
D. |
(3, 2) |
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Hint |
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10. |
If A(2, 4) is reflected over the x-axis, what are its new coordinates? |
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A. |
(2, -4) |
B. |
(-2, -4) |
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C. |
(-2, 4) |
D. |
(4, 2) |
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Hint |
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11. |
If  bisects  which angle is congruent to |
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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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12. |
Simplify the expression 8 (a + 2b) – 7b + 6 (3a – b). |
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A. |
152a – 88b |
B. |
26a + 3b |
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C. |
26a – 6b |
D. |
4a – 6b |
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Hint |
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13. |
Express the result in scientific notation.  |
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A. |
1.25 × 104 |
B. |
1.25 × 1010 |
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C. |
1.25 × 10-4 |
D. |
1.25 × 10-10 |
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Hint |
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14. |
Which of the values is a solution to the equation 2x + 7 = 37? |
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A. |
15 |
B. |
3 |
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C. |
-10 |
D. |
5 |
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Hint |
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15. |
Use mental math to solve  |
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A. |
-12 |
B. |
-4 |
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C. |
4 |
D. |
-20 |
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Hint |
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16. |
Solve  |
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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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17. |
Why is the graph misleading? |
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A. |
The dimensions other than height have changed. |
B. |
Scale is not at even intervals. |
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C. |
Months are out of order. |
D. |
Scale should be smaller. |
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Hint |
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18. |
If m || h and m 1 = 40°, find m5. |
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A. |
40° |
B. |
20° |
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C. |
80° |
D. |
140° |
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Hint |
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19. |
Two bases of a trapezoid are 24 inches and 36 inches If the median is (x + 4) inches, what is the value of x? |
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A. |
26 in. |
B. |
58 in. |
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C. |
30 in. |
D. |
60 in. |
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Hint |
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20. |
Find the area of the figure shown. |
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A. |
108 ft2 |
B. |
54 ft2 |
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C. |
30 ft2 |
D. |
90 ft2 |
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Hint |
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