| |
| |
1. |
Which mathematical statement is not an example of the Distributive Property? |
| |
|
A. |
xy + 2x = x(y +2) |
B. |
3 · (4 · 9) = (9 · 4) · 3 |
| |
|
C. |
6(10 - 3) = (6 · 10) - (6 · 3) |
D. |
3(2 + 8) = 3 · 2 + 3 · 8 |
| |
|
Hint |
|
| |
2. |
Evaluate the expression |-3| - |-1|. |
| |
|
A. |
-2 |
B. |
4 |
| |
|
C. |
-4 |
D. |
2 |
| |
|
Hint |
|
| |
3. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
When you multiply 5 · (-1.4), you can think of that as ______. |
| |
|
A. |
5 · (-1.4) · 2 |
| |
|
B. |
(-1.4) · (-1.4) · (-1.4) · (-1.4) · (-1.4) |
| |
|
C. |
(-1.4) + (-1.4) + (-1.4) + (-1.4) + (-1.4) |
| |
|
D. |
(-1.4) - (-1.4) - (-1.4) - (-1.4) - (-1.4) |
| |
|
Hint |
|
| |
5. |
 |
| |
|
A. |
98 |
B. |
2 |
| |
|
C. |
-98 |
D. |
-2 |
| |
|
Hint |
|
| |
6. |
Solve 13a = 5a - 8. |
| |
|
A. |
-1 |
B. |
 |
| |
|
C. |
1 |
D. |
 |
| |
|
Hint |
|
| |
7. |
Which statement is not true about an inverse variation? |
| |
|
A. |
If y varies inversely as x, then y is inversely proportional to x. |
B. |
The product of the variables is constant. |
| |
|
C. |
In the equation xy = k, k is a constant. |
D. |
The constant of variation is  . |
| |
|
Hint |
|
| |
8. |
If the product of the slopes of two lines is 1, then the lines are _______. |
| |
|
A. |
horizontal |
B. |
vertical |
| |
|
C. |
perpendicular |
D. |
parallel |
| |
|
Hint |
|
| |
9. |
Which statement is not an example of the Distributive Property? |
| |
|
A. |
b(c + 1) + 5(c + 1) = b(c) + b(1) + 5(c) + 5(1) |
| |
|
B. |
a(a 3) + b(a 3) = (a + b)(a 3) |
| |
|
C. |
(x + 1)(x 2) = x(x 2) + 1(x 2) |
| |
|
D. |
x(2x + 4x) + x(5x 6x) = x(2x) + x(x) |
| |
|
Hint |
|
| |
10. |
Solve the system of inequalities y > x 2 and  . Then choose the point that is not a solution of the system. |
| |
|
A. |
(0, 2) |
B. |
(5, 0) |
| |
|
C. |
(-1, 0) |
D. |
(0, 0) |
| |
|
Hint |
|
| |
11. |
Triangle TRI has vertices T(3, 5), R(1, -3), and I(-4, 2). Find the perimeter of  . Round to the nearest tenth. |
| |
|
A. |
14.1 units |
B. |
22.9 units |
| |
|
C. |
13.2 units |
D. |
176 units |
| |
|
Hint |
|
| |
12. |
Solve  . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
Find the product -8(2.8). |
| |
|
A. |
10.8 |
B. |
-22.4 |
| |
|
C. |
22.4 |
D. |
-10.8 |
| |
|
Hint |
|
| |
14. |
Solve the equation 10 =  . |
| |
|
A. |
x = -80 |
B. |
x = 1 |
| |
|
C. |
x = -1 |
D. |
x = 80 |
| |
|
Hint |
|
| |
15. |
In chemistry, the smallest sample dealt with in the lab is called a mole. One mole of Carbon has a mass of 12.0 g. If you have 172.3 g of Carbon, how many moles do you have? |
| |
|
A. |
0.07 mole Carbon |
B. |
14.4 moles Carbon |
| |
|
C. |
18.6 moles Carbon |
D. |
0.12 mole Carbon |
| |
|
Hint |
|
| |
16. |
Which equation is parallel to the graph of y = 2x +  and passes through the point (4, 7)? |
| |
|
A. |
y = 2x 1 |
B. |
y =  x + |
| |
|
C. |
y = -x + |
D. |
y = 2x + 3 |
| |
|
Hint |
|
| |
17. |
Factor the trinomial x2 + 7x 8. |
| |
|
A. |
(x 8)(x + 1) |
B. |
(x 4)(x + 2) |
| |
|
C. |
(x + 4)(x 2) |
D. |
(x + 8)(x 1) |
| |
|
Hint |
|
| |
18. |
The set {0, 1, 2, 3, 4,
} refers to the ______________. |
| |
|
A. |
integers |
| |
|
B. |
rational numbers |
| |
|
C. |
natural numbers |
| |
|
D. |
whole numbers |
| |
|
Hint |
|
| |
19. |
Solve  . |
| |
|
A. |
d = 4 |
B. |
no solution |
| |
|
C. |
d = 7 and d = 4 |
D. |
d = 7 |
| |
|
Hint |
|
| |
20. |
Find the sum  . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|