Exam
Name___________________________________
Chapter 7 Test--Basic Algebra
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1)
2)
Find the value of the following formula.
h(B + b)
A=
for B = 14, b = 8, h = 6
2
A) 132
B) 59
C) 66
1)
D)
33
2)
Find the value of the following formula.
b = c2 - a2
for c = 13, a = 5
A) 18
B) 7
C) 12
D)
6
3)
Simplify by adding and subtracting like terms.
-5x + 7y + 12 - 13y +16x
A) 21x - 20y + 12
B) 11x - 6y + 12
C) 21x - 6y + 12
D) 11x - 20y + 12
3)
4)
Simplify by adding and subtracting like terms.
8a2 - 10a + 4a2 + 9a
A) 12a2 - a
B) 4a2 -19a
C) 4a2 - a
4)
D)
12a2 - 19a
5)
Simplify by removing parentheses and, if possible, combining like terms.
18t - 5(3t - 9)
A) 33t + 45
B) 33t - 45
C) 3t + 45
D) 3t - 45
5)
6)
Simplify by removing parentheses and, if possible, combining like terms.
18m - (16mn + 14n)
A) 4m - 16 mn
B) 18m - 16 mn +14n
C) 12 mn -14n
D) 18m - 16 mn -14n
6)
7)
Solve the following equation.
43 + x = 57
A) -100
B) 100
7)
8)
9)
C) -14
D)
14
8)
Solve the following equation.
2 3
x+ =
3 4
1
17
A)
B)
12
12
C) -
17
12
D)
-
1
12
9)
Solve the following equation.
- 56 = 7x
A) 49
B) -49
C) -8
1
D)
8
10)
11)
12)
13)
14)
10)
Solve the following equation.
3
6
- x=4
7
8
7
A) B) 7
8
C)
8
7
D)
7
8
11)
Solve the following equation.
- 1.2x + 3.0 = - 0.6
A) 0.003
B) 0.3
C) 30
D)
3
12)
Solve the following equation.
9x - 3 2x - 1 = 15
A) -4
B) 4
C) -6
Solve the following formula for the variable shown.
F = ma for a
m
A) a =
B) a = F - m
C) a = m - F
F
Solve the following formula for the variable shown.
1
A = bh for h
2
b
2A
A) h =
B) h = b - 2A
C) h =
2A
b
D)
6
13)
D)
a=
F
m
14)
D)
h = 2A - b
15)
A rectangular garden is enclosed with eighty-six meters of fencing. The garden is
thirteen meters longer than it is wide. Find the dimensions of the garden.
A) 49 m by 37 m
B) 15 m by 28 m
C) 25 m by 38 m
D) 56 m by 30 m
15)
16)
The sum of three consecutive odd integers is 51. Find the integers.
A) 13, 15, 17
B) 15, 17, 19
C) 17, 19, 21
16)
17)
18)
D)
12, 15, 24
17)
Simplify by multiplying.
(6 x8)(8 x12) =
A) 14x20
B) 48x96
C) 48x20
Divide as indicated. Express all answers using positive exponents.
64 x15y6
=
8 x8y12
56 x23
8 x7
8y6
A)
B)
C)
y18
y6
x7
2
D)
14x96
18)
D)
56 y18
x23
19)
Calculate using scientific notation, and write your answer in standard scientific notation.
6.2 × 10 - 5 5.2 × 10 - 6 3.5 × 108
A) 1.1284 × 10 - 1
B) 11.284 × 10 - 2
C) 1128.4 × 10 - 4
D) 112.84 × 10 - 3
19)
20)
Calculate using scientific notation, and write your answer in standard scientific notation.
1.6 × 10 6
6.4 × 10 10
A) 25 × 10 - 6
B) 2.5 × 10 - 5
C) 0.025 × 10 - 3
D) 0.25 × 10 - 4
20)
3