| |
| |
1. |
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers. |
| |
|
A. |
(42, 6) |
B. |
(30, 6) |
| |
|
C. |
(14, 22) |
D. |
(10, 26) |
| |
|
Hint |
|
| |
2. |
Select the segment that has been bisected. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
What is the slope of the line through the points A(-3, 4) and B(2, -1)? |
| |
|
A. |
-3 |
B. |
-1 |
| |
|
C. |
 |
D. |
1 |
| |
|
Hint |
|
| |
4. |
 has vertices H(-3, -1), I(-2, -4), and J(-4, -4). Which graph shows the reflection image of the triangle over the y-axis? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
The graph of y = -4x2 - 1 is _____. |
| |
|
A. |
a straight line |
B. |
a circle |
| |
|
C. |
a parabola |
D. |
None of these is correct. |
| |
|
Hint |
|
| |
6. |
Triangle RST has vertices R(-3, 2), S(0, -5), and T(4, 5). When translated R' has coordinates (4, 1). Find the coordinates of S' and T'. |
| |
|
A. |
S'(-6, 7), T'(4, 11) |
| |
|
B. |
S'(-7, 6), T'(-11, 4) |
| |
|
C. |
S'(7, -6), T'(4, 11) |
| |
|
D. |
S'(7, -6), T'(11, 4) |
| |
|
Hint |
|
| |
7. |
Simplify  . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Express  in simplest form. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Express  in simplest form. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
2 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Solve  . |
| |
|
A. |
-2 or 7 |
B. |
-2 |
| |
|
C. |
5 |
D. |
-2 or  |
| |
|
Hint |
|
| |
11. |
Find the product of (4n + 5) and (2n + 3). |
| |
|
A. |
8n2 + 22n + 15 |
| |
|
B. |
6n2 + 20n + 12 |
| |
|
C. |
8n2 + 22n - 15 |
| |
|
D. |
6n2 + 18n + 8 |
| |
|
Hint |
|
| |
12. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
| |
|
A. |
y = –x – 2 |
B. |
y = –x + 2 |
| |
|
C. |
y = –2x + 1 |
D. |
y = –x – 1 |
| |
|
Hint |
|
| |
13. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
| |
|
A. |
2.13 m |
B. |
18.8 m |
| |
|
C. |
3.78 m |
D. |
1 m |
| |
|
Hint |
|
| |
14. |
The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year? |
| |
|
A. |
0.0931 |
B. |
1.69 |
| |
|
C. |
6.9 |
D. |
1.069 |
| |
|
Hint |
|
| |
15. |
Identify the growth factor in the equation p = 682,363 × 1.08n where p is the population and n is the number of years after 2001. |
| |
|
A. |
1.08 |
B. |
n |
| |
|
C. |
p |
D. |
682,363 |
| |
|
Hint |
|
| |
16. |
Find a solution to the equation using backtracking.
 |
| |
|
A. |
c = 2 |
B. |
c = –1 |
| |
|
C. |
c = 8 |
D. |
c = –14 |
| |
|
Hint |
|
| |
17. |
Find a solution to the equation by doing the same thing to both sides.
8p + 14 = 2p – 22 |
| |
|
A. |
p = –6 |
B. |
p = 6 |
| |
|
C. |
p = 1 |
D. |
p = –1 |
| |
|
Hint |
|
| |
18. |
Find the correct representation of a triangle reflected over line l, and then reflected over line m. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
19. |
Expand the expression.(9z + 2) 2 |
| |
|
A. |
81z2 – 4 |
B. |
81z2 + 18z + 4 |
| |
|
C. |
81z2 + 36z + 4 |
D. |
81z2 + 4 |
| |
|
Hint |
|
| |
20. |
Find the quotient. Simplify |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|