| |
| |
1. |
Write an equation for the sentence ''the product of 6 and x is equal to the sum of c and d.'' |
| |
|
A. |
6x = d |
B. |
6x = c + d |
| |
|
C. |
6x + c + d |
D. |
6 + x = c + d |
| |
|
Hint |
|
| |
2. |
Find the product -8(-3). |
| |
|
A. |
24 |
B. |
-11 |
| |
|
C. |
-24 |
D. |
11 |
| |
|
Hint |
|
| |
3. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
One dice is rolled. Find the odds that a number less than 3 is rolled. |
| |
|
A. |
0:1 |
B. |
1:2 |
| |
|
C. |
1:3 |
D. |
1:4 |
| |
|
Hint |
|
| |
5. |
The set of all second coordinates, or y-coordinates, of the ordered pairs in a relation is called the______. |
| |
|
A. |
range |
B. |
related coordinates |
| |
|
C. |
domain |
D. |
ordered coordinates |
| |
|
Hint |
|
| |
6. |
Which ordered pair is a solution of y = 3x + 2? |
| |
|
A. |
(4, 10) |
B. |
(2, 0) |
| |
|
C. |
(1, 1) |
D. |
(0, 2) |
| |
|
Hint |
|
| |
7. |
If the range of the equation y = -x + 4 is {-4, -2, 4, 7}, what is the domain? |
| |
|
A. |
{-8, -6, 0, 3} |
B. |
{8, 6, 0, -3} |
| |
|
C. |
{9, 7, 1, -2} |
D. |
{7, 5, -1, -4} |
| |
|
Hint |
|
| |
8. |
The cost of a container of building staples varies directly as the weight in pounds. Suppose 2 pounds of staples costs $3.60. What is the cost of 5 pounds of staples? |
| |
|
A. |
$9.00 |
B. |
$5.25 |
| |
|
C. |
$35.00 |
D. |
$1.40 |
| |
|
Hint |
|
| |
9. |
Which statement below is not correct? |
| |
|
A. |
(2b - 5)2 = 4b2 - 20b + 25 |
| |
|
B. |
(3a + 1)2 = 9a2 + 6a + 1 |
| |
|
C. |
(5y - 7)2 = 25y2 + 70y + 49 |
| |
|
D. |
(x + 2)2 = x2 + 4x + 4 |
| |
|
Hint |
|
| |
10. |
Sometimes, you know the product and are asked to find the factors. This process is called _____. |
| |
|
A. |
factoring |
B. |
prime analysis |
| |
|
C. |
distribution |
D. |
simplification |
| |
|
Hint |
|
| |
11. |
The diagram below shows a model of a factorization of a binomial using algebra tiles. Select the correct factorization shown by the model. |
| |
|
 |
| |
|
A. |
3x(x + 3) |
B. |
3x(x + 2) |
| |
|
C. |
3(x + 2) |
D. |
3(x + 3) |
| |
|
Hint |
|
| |
12. |
Factor the trinomial 4x3 – 24x2 – 108x. |
| |
|
A. |
4x(x – 9)(x + 3) |
B. |
4(x – 9x)(x + 3x) |
| |
|
C. |
4x(x2 – 6x – 27) |
D. |
(x – 9)(x + 3) |
| |
|
Hint |
|
| |
13. |
Which equation does the model represent? |
| |
|
 |
| |
|
A. |
x + (-3) = -2 |
B. |
x + 2 = 3 |
| |
|
C. |
x + (-2) = -3 |
D. |
x + 3 = 2 |
| |
|
Hint |
|
| |
14. |
Solve the equation 4.8j = -26.4 |
| |
|
A. |
5.5 |
B. |
126.72 |
| |
|
C. |
-126.72 |
D. |
-5.5 |
| |
|
Hint |
|
| |
15. |
Solve the equation  s = -6. |
| |
|
A. |
s = -8 |
B. |
s = 4 |
| |
|
C. |
s = 8 |
D. |
s = -4 |
| |
|
Hint |
|
| |
16. |
Which equation describes the graph? |
| |
|
 |
| |
|
A. |
y = 2 |
B. |
x = 2 |
| |
|
C. |
x = -2 |
D. |
y = -2 |
| |
|
Hint |
|
| |
17. |
The distance around the equator of Jupiter is approximately
4.49 × 108m, and a normal football field is about 1.1 × 102m long. About how many football fields could fit lengthwise across Jupiter's equator? |
| |
|
A. |
408 football fields |
B. |
40,800,000,000 football fields |
| |
|
C. |
4,080,000 football fields |
D. |
408,000 football fields |
| |
|
Hint |
|
| |
18. |
In genetics dimples are a dominant trait. If a mother and father each have a 50% chance of passing a dominant gene for dimples, what is the chance that their baby would not have dimples? |
| |
|
A. |
50% |
B. |
75% |
| |
|
C. |
0% |
D. |
25% |
| |
|
Hint |
|
| |
19. |
Which factor tree best represents 468? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
20. |
Find the y-intercept of the function y = -2x + 2. |
| |
|
A. |
-2 |
B. |
0 |
| |
|
C. |
1 |
D. |
3 |
| |
|
Hint |
|
|
|