Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
|
|
|
1.
|
Which graph represents the
following system of equations?
y = 3x + 3
y = 2x 3
|
|
|
2.
|
What is the solution of the
system of equations?
y = 4x + 8
y = 2x 10 a. | (28, 9) | b. | (9, 28) | c. | (1,
12) | d. | (3, 20) | | | | | | | | |
|
|
|
Graph each system. Tell
whether the system has no solution, one solution, or infinitely many
solutions.
|
|
|
3.
|
y = 5x +
5
y =
5x 3 a. | no solutions | b. | one solution | c. | infinitely many
solutions | | |
|
|
|
4.
|
Use substitution to solve the
following system of equations.
d + e f = 7
e = f + d +
1
f =
2e 6 a. | d = 4, e = 1, f =
2 | c. | d = 2, e = 2, f = 3 | b. | d = 1, e = 4, f = 2 | d. | d = 3, e = 2, f =
2 | | | | |
|
|
|
Solve the system using
elimination.
|
|
|
5.
|
6x + 3y =
12
6x + 2y = 4 a. | (10,
16) | b. | (2, 8) | c. | (2, 8) | d. | (10, 16) | | | | | | | | |
|
|
|
6.
|
Write the polynomial in
standard form. Then name the polynomial based on its degree and number of
terms.
2
11x2 8x + 6x2 a. | 5x2 8x + 2; quadratic
trinomial | c. | 6x2 8x 2; cubic
polynomial | b. | 5x2 8x 2; quadratic
trinomial | d. | 6x2 8x + 2; cubic trinomial | | | | |
|
|
|
Simplify the
difference.
|
|
|
7.
|
(7x
5x4 + 5) (7x4 5
9x) a. | 2x4 + 2x + 8 | c. | 14x4
10x + 10 | b. | 14x4 + 10x
+ 10 | d. | 2x4 + 2x + 10 | | | | |
|
|
|
8.
|
Simplify the
sum.
(6u3 + 3u2 + 7) + (4u3
3u + 3) a. | 2u3 + 3u2 3u +
10 | c. | 10u3 + 3u2 3u +
10 | b. | 2u3 3u2 + 3u
10 | d. | 10 3u + 3u2 + 10
u3 | | | | |
|
|
|
Simplify the
product.
|
|
|
9.
|
2n(n2
+ 3n + 4) a. | 2n3 + 6n2 +
8n | c. | 2n3 + 6n + 8 | b. | 2n3 + 3n + 4 | d. | n2 + 5n +
4 | | | | |
|
|
|
Factor the
polynomial.
|
|
|
10.
|
a. | 2x(x2 + 2x +
4) | c. | x(2x2 + 4x + 8) | b. | 2x(x + 2)(x + 4) | d. | 2x3 +
4x2 + 8x | | | | |
|
|
|
11.
|
Find the GCF of the terms of
the polynomial.
44x4 + 42x6
|
|
|
Simplify the product using
FOIL.
|
|
|
12.
|
(3x 7)(3x
5) a. | 9x2 + 6x + 35 | c. | 9x2 36x
35 | b. | 9x2 + 36x +
35 | d. | 9x2 36x + 35 | | | | |
|
|
|
Complete.
|
|
|
13.
|
z2 +
3z 180 = (z 12)(z + )
|
|
|
Factor the
expression.
|
|
|
14.
|
w2 +
18w + 77 a. | (w 7)(w + 11) | c. | (w + 7)(w +
11) | b. | (w 7)(w
11) | d. | (w + 1)(w + 77) | | | | |
|
|
|
15.
|
r2
49 a. | (r 7)(r + 7) | c. | (r 7)(r
7) | b. | (r + 7)(r + 7) | d. | (r 7)(r +
9) | | | | |
|
|
|
Simplify the radical
expression.
|
|
|
16.
|
|
|
|
17.
|
|
|
|
Simplify the radical
expression by rationalizing the denominator.
|
|
|
18.
|
|
|
|
Simplify the
expression.
|
|
|
19.
|
|
|
|
20.
|
(7 + )(7 )
|
|
|
21.
|
|
|
|
22.
|
|
|
|
Solve the equation. Check
your solution.
|
|
|
23.
|
|
|
|
24.
|
|
|
|
25.
|
The formula can be used to find the velocity v in feet per second of an object that has fallen
h feet. Find the velocity of an object that has fallen 30 feet. Round your answer to the
nearest hundredth. a. | 240 feet per
second | c. | 960 feet per second | b. | 350.54 feet per
second | d. | 43.82 feet per second | | | | |
|