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1. |
Find the value of the expression 15 + 4 · 3. |
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A. |
57 |
B. |
180 |
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C. |
27 |
D. |
22 |
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Hint |
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2. |
Jordan used 44 legs to make some tables with 4 legs each and some stools with 3 legs each. Which of the following problem-solving strategies would work best to find the number of tables and the number of stools he made? |
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A. |
make a graph |
B. |
use a formula |
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C. |
draw a diagram |
D. |
guess and check |
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Hint |
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3. |
 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Choose the solution of 3x + 7 = 10 if the replacement set is {-1, 0, 1, 2}. |
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A. |
2 |
B. |
0 |
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C. |
1 |
D. |
-1 |
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Hint |
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5. |
Solve the equation 14 = 7 + x. |
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A. |
-7 |
B. |
2 |
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C. |
-21 |
D. |
7 |
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Hint |
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6. |
Solve the equation -8 = a + (-3). |
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A. |
5 |
B. |
-11 |
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C. |
-5 |
D. |
11 |
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Hint |
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7. |
In mathematics, a ratio is a comparison of two numbers by ______. |
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A. |
division |
B. |
subtraction |
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C. |
addition |
D. |
multiplication |
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Hint |
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8. |
If a toy car measures 1 inch for every one-half foot of an actual car, what is the scale in inches? |
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A. |
1:12 |
B. |
1:10 |
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C. |
1:6 |
D. |
1:1 |
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Hint |
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9. |
15% of what number is 10.2? |
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A. |
1.53 |
B. |
68 |
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C. |
0.68 |
D. |
147 |
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Hint |
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10. |
If any vertical line passes through no more than one point of the graph of a relation, then the relation is a(n)_______. |
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A. |
straight line |
B. |
domain relation |
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C. |
equivalent relation |
D. |
function |
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Hint |
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11. |
Which statement is not true about an inverse variation? |
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A. |
The constant of variation is  . |
B. |
The product of the variables is constant. |
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C. |
If y varies inversely as x, then y is inversely proportional to x. |
D. |
In the equation xy = k, k is a constant. |
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Hint |
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12. |
Children in grades one through six are measured for their height. A scatter plot is drawn where the ordered pairs are (grade, height). Which statement will be true? |
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A. |
The graph will show a negative relationship between the variables. |
B. |
The graph will show a positive relationship between the variables. |
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C. |
If a line was drawn approximately through the points, a vertical line would result. |
D. |
The graph will show no relationship between the variables. |
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Hint |
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13. |
Simplify  . |
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A. |
-2c2 |
B. |
-2a4c2 |
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C. |
-2a4b4c2 |
D. |
 |
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Hint |
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14. |
To add integers with different signs, find the difference of their absolute values. Give the result the same sign as ________. |
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A. |
the integer with the least absolute value |
B. |
the first integer |
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C. |
the last integer |
D. |
the integer with the greatest absolute value |
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Hint |
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15. |
Find the quotient -49 ÷ -7. |
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A. |
-42 |
B. |
7 |
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C. |
-7 |
D. |
42 |
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Hint |
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16. |
Find the quotient -9.3 ÷ -3. |
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A. |
-27.9 |
B. |
3.1 |
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C. |
-3.1 |
D. |
27.9 |
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Hint |
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17. |
Suppose a rectangle has a perimeter of 16 cm. What are the possible dimensions of the rectangle given the domain (or length) values {2, 3, 4}? |
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A. |
(2, 6), (3, 5), (4, 4) |
B. |
(2, 14), (3, 13), (4, 12) |
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C. |
(2, 10), (3, 11), (4, 12) |
D. |
(2, 12), (3, 10), (4, 8) |
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Hint |
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18. |
Which statement is not true of the graph? |
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A. |
The graph has inverse variation. |
B. |
The constant k is positive. |
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C. |
y is inversely proportional to x. |
D. |
The graph crosses the x- and y- axes. |
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Hint |
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19. |
Write an equation in slope–intercept form of the line that passes through the points at (-5, 4) and (3, -1). |
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A. |
x =  y –  |
B. |
x = -y + |
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C. |
y = -x + |
D. |
y = x – |
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Hint |
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20. |
Simplify the expression  . |
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A. |
14 |
B. |
20 |
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C. |
8 |
D. |
12 |
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Hint |
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