Download Practice Exam Ch.3

Practice Exam Chapter 3
Provide an appropriate response.
1) Simplify 4x + 3 - 2x + 5 by combining like terms.
1)
2) Multiply: -8(5y + 6)
2)
3) Simplify: -6(2z + 1) - z - 12
3)
4) Write an expression that represents the area of the rectangle. Simplify the expression.
4)
7 meters
(3x - 6) meters
Solve the equation.
5) -36 = 7y - y
6)
5)
x
= -1 - (-6)
2
6)
7) 4x - 2 - 3x - 5 = 26
7)
8) -4x + 3 = 11
8)
9) 6(x - 9) = 0
9)
10) -2(x - 9) - 6 = 12 - 14
10)
11) 6x - 7 = x - 42
11)
12) 4(4x + 3) = 2(7x + 6)
12)
13) 1 + 4(2n - 1) = 29
13)
Translate the phrase into a mathematical expression. If needed, use x to represent "a number."
14) The sum of -58 and a number.
15) Four times a number, subtracted from -9.
14)
15)
Translate the sentence into an equation. If needed, use x to represent "a number."
16) The sum of twice 6 and -16 is -4.
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16)
Solve.
17) Seven added to twice a number equals -17.
17)
18) The difference of four times a number and seven times the same number is 9. Find the
number.
18)
19) Jackie and her friend Warren ran for an open position on the board of directors of their
favorite organization. Jackie received four times the votes that Warren received. There
were 150 ballots cast. How many votes did Jackie receive?
19)
20) A high school graduating class is made up of 548 students. There are 122 more boys than
girls. How many girls are in the class?
20)
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Answer Key
Testname: MATH 110 PRACTICE EXAM CHAPTER 3
1) 2x + 8
2) -40y - 48
3) -13z - 18
4) (21x - 42) sq m
5) -6
6) 10
7) 33
8) -2
9) 9
10) 7
11) -7
12) 0
13) 4
14) -58 + x
15) -9 - 4x
16) 2 ∙ 6 + (-16) = -4
17) 2x + 7 = -17
18) -3
19) 120 votes
20) 213 girls
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