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1. |
Write  in simple form. |
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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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2. |
Write an inequality for the sentence three times a number is less than 45. |
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A. |
3x  45 |
B. |
3x > 45 |
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C. |
3 + x < 45 |
D. |
3x < 45 |
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Hint |
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3. |
Evaluate  . Express the result in scientific notation. |
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A. |
0.8 × 10-8 |
B. |
8.0 × 10-7 |
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C. |
80 × 10-8 |
D. |
8.0 × 10-9 |
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Hint |
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4. |
Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0). |
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A. |
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B. |
2 |
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C. |
-2 |
D. |
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Hint |
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5. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
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B. |
(3, 5) |
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C. |
(-3, -5) |
D. |
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Hint |
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6. |
Determine whether the number  is rational or irrational. |
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A. |
irrational |
B. |
rational |
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C. |
both |
D. |
neither |
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Hint |
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7. |
The graph of y = -4x2 - 1 is _____. |
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A. |
None of these is correct. |
B. |
a straight line |
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C. |
a circle |
D. |
a parabola |
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Hint |
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8. |
Simplify the polynomial 7x - 2y. |
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A. |
5y |
B. |
5xy |
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C. |
5x |
D. |
7x - 2y |
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Hint |
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9. |
Simplify  . |
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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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10. |
How many diagonals does a 25-sided polygon have? |
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A. |
25 |
B. |
275 |
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C. |
300 |
D. |
550 |
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Hint |
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11. |
Which equation is in the same family as y = x2? |
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A. |
y = 2x2 – 3 |
B. |
y = 2x – 3 |
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C. |
y = x2 – 3 |
D. |
y = x3 – 3 |
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Hint |
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12. |
Consider the equation  . What happens to the value of y when x is divided by 4? |
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A. |
y is multiplied by 4 |
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B. |
y is added to 4 |
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C. |
y is divided by 4 |
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D. |
y is subtracted from 4 |
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Hint |
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13. |
Use an exponent to write 177,147 as a power of 3. |
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A. |
319 |
B. |
311 |
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C. |
317 |
D. |
39 |
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Hint |
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14. |
Use the following table to find the population of bacteria in hour n. |
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A. |
30,0006n |
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B. |
180,000n |
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C. |
6 × 30,000 n |
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D. |
30,000 × 66 |
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Hint |
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15. |
Find a solution to the equation by doing the same thing to both sides.
3(5f + 7) + 9(f + 4) = 9 |
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A. |
f = –2 |
B. |
f = –9 |
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C. |
f = –12 |
D. |
f = –10 |
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Hint |
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16. |
Use a graphing calculator to graph y = 8x – 2x2. Estimate the highest point on the graph. |
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A. |
(2, 8) |
B. |
(8, 2) |
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C. |
(7, 3) |
D. |
(3, 7) |
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Hint |
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17. |
What is a reflection over a line and then a translation by a vector parallel to that line called? |
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A. |
rotation |
B. |
glide reflection |
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C. |
translation |
D. |
symmetric rotation |
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Hint |
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18. |
If you want to scale a segment by a factor of  , how long will the new segment be? |
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A. |
of its original size |
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B. |
5 times its original size |
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C. |
5% of its original size |
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D. |
25 times its original size |
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Hint |
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19. |
If you want to scale a segment by a factor of 8, how long will the new segment be? |
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A. |
8 times its original size |
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B. |
80% of its original size |
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C. |
 of its original size |
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D. |
64 times its original size |
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Hint |
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20. |
Expand the expression.(3z + n) >2 |
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A. |
9n>2 + 6n + m>2 |
B. |
9m2 + 6mn + n>2 |
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C. |
9m2 + n>2 |
D. |
9n2 + 6m + m>2 |
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Hint |
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