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1. |
Write 2,564,000 in scientific notation. |
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A. |
2.564×106 |
B. |
2,564×103 |
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C. |
2.564×105 |
D. |
25.64×105 |
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Hint |
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2. |
Write  using negative exponents. |
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A. |
2-3 |
B. |
-24 |
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C. |
-2-4 |
D. |
2-4 |
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Hint |
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3. |
Write an equation that relates the following ordered pairs. |
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A. |
y = x – 5 |
B. |
x = y – 3 |
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C. |
y = x – 3 |
D. |
y = x + 3 |
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Hint |
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4. |
Find –4 – 6. |
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A. |
–2 |
B. |
10 |
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C. |
–10 |
D. |
2 |
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Hint |
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5. |
Find the length of the hypotenuse in the triangle below. Round to the nearest tenth. |
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A. |
15 cm |
B. |
7.9 cm |
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C. |
17.3 cm |
D. |
21 cm |
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Hint |
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6. |
Find an expression for the number of blocks in Stage s. |
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A. |
3s |
B. |
3s + 1 |
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C. |
s + 3 |
D. |
2s – 1 |
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Hint |
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7. |
Which top-count view represents the top engineering view shown below? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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8. |
Rewrite 123 × 73 using a single base. |
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A. |
843 |
B. |
193 |
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C. |
849 |
D. |
199 |
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Hint |
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9. |
Which equation represents exponential growth? |
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A. |
y = 6.38(1)x |
B. |
y = 2.03(5)x |
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C. |
y = 3.96(0.65)x |
D. |
y = 9(0.5)x |
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Hint |
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10. |
Which table describes exponential growth? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Find an addition and subtraction equation that represents the number lines below. |
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A. |
–6 + 1 = 5
–6 – –1 = 5 |
B. |
–6 + –1 = –7
–6 – 1 = –7 |
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C. |
1 + –6 = –5
1 – 6 = –5 |
D. |
–6 + 7 = 1
–6 – –7 = 1 |
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Hint |
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12. |
Find the relationship that is not proportional. |
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A. |
p = 4s, where p is the perimeter of a square and s is the length of one side of the square. |
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B. |
A =  r2, where A is the area of a circle and r is the radius of the circle. |
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C. |
S = 180n – 360, where S is the sum of the interior angles in a polygon and n is the number of sides of the polygon. |
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D. |
m = 10c, where m is the number of millimeters and c is the number of centimeters. |
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Hint |
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13. |
This is a table showing the time and distance Lou ran. How fast did Lou run? |
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A. |
112.5 m/s |
B. |
27.5 m/s |
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C. |
6.5 m/s |
D. |
4.5 m/s |
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Hint |
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14. |
Cari, Christine, Rob, and Brad went for a walk outside. The distance-time graph shows how fast each person walked. Who walked at a rate of 2 m/s? |
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A. |
Rob |
B. |
Cari |
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C. |
Brad |
D. |
Christine |
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Hint |
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15. |
Nine more than a number is the same as 18 less than 4 times the same number. What is the number? |
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A. |
y = –8 |
B. |
y = –9 |
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C. |
y = 9 |
D. |
y = 8 |
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Hint |
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16. |
Find the balance puzzle that matches the equation.
3n + 6 = 4n + 9 |
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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. |
Solve this equation by imagining a balance puzzle.6n + 14 = 10n + 6 |
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A. |
n = 4 |
B. |
n = 1 |
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C. |
n = 2 |
D. |
n = 3 |
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Hint |
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18. |
Evaluate the expression.
46 – (12.3 + 20.9) |
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A. |
12.8 |
B. |
79.2 |
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C. |
8.6 |
D. |
54.6 |
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Hint |
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19. |
What is the final answer to this Think of a Number trick?
Think of a number.
Subtract 6.
Multiply by –3.
Subtract 18. |
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A. |
the answer is 3 times the number you started with |
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B. |
the answer is 1.5 times the number you started with |
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C. |
the answer is –1.5 times the number you started with |
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D. |
the answer is –3 times the number you started with |
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Hint |
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20. |
Which equation is not linear? |
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A. |
–3y + x – 16 + 2.9x= 0 |
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B. |
5x – 2y = 4.1 |
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C. |
y = –2(–8 – x) – 5x (x – 1) |
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D. |
 |
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Hint |
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