Download 1) Identify the following as either an expression or an equation. 10 7

Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1)
1)
Identify the following as either an expression or an equation.
10
+ y = -3
7
A)
B) equation
expression
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
2)
Solve the equation using the addition or subtraction property of equality.
x + 10 = 7
2)
3)
Write an algebraic equation to represent the English sentence. (Let x represent the
unknown number.) Then solve the equation.
The difference of a number and eleven is twelve.
3)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
4)
Write an algebraic equation to represent the English sentence. (Let x represent the
unknown number.) Then solve the equation.
The quotient of a number and seven is negative ten.
7
7
x
= -10; x = = -10; x = -70
A)
B)
x
10
7
C)
x
= -10; x = 70
7
D)
4)
x - 7 = -10; x = -3
5)
Identify the equation as a conditional equation, a contradiction or an identity.
2 + 5(x – 1) = –(3 – 5x)
A) cannot be determined
B) identity
C) conditional
D) contradiction
5)
6)
Solve the equation.
-0.7y + 1.3 = 3.3 – 0.2y
A) y = -6
B) y = -2
6)
7)
C)
y = -4
D)
y = -0.4
The sum of two consecutive integers is -91. Find the least of the two integers.
A) 46
B) -46
C) -45
D) -92
1
7)
8)
The plans for a rectangular deck call for the width to be 2 feet less than the length. Sam
wants the deck to have an overall perimeter of 60 feet. What should the length of the
deck be?
A) 2 feet
B) 16 feet
C) 18 feet
D) 31 feet
9)
Which is the correct graph of the solution set of -3.5
A)
B)
C)
D)
t<
7
?
2
8)
9)
10)
A set is given in set-builder notation. Write the set in interval notation.
{x x 1}
A) (1, )
B) [1, )
C) (- , 1]
D) (- , 1)
10)
11)
Solve the inequality. Write your answer in interval notation.
11 + t 16
A) (– , 5]
B) [11, 16]
C) (– , 27]
11)
12)
13)
Solve the inequality. Write your answer in interval notation.
12y + 6 > 9
1
,
A)
B) (- , 9)
C) (3, )
4
Solve the inequality. Write your answer in interval notation.
–2 < –2y + 5 2
3 7
7 3
7
,
A)
B) - ,
C) - , 2
2 2
2 2
2
D)
(– , 16]
12)
D)
,-
1
4
13)
D)
3 7
,
2 2
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
14)
Sparky has scores of 74, 69, and 77 on his first three Sociology tests. If he needs
to keep an average of 70 to stay eligible for lacrosse, what scores on the fourth
exam will accomplish this?
14)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
15)
Marcus made $26 more than three times Joel's weekly salary. If x represents Joel's
weekly salary, write an expression for Marcus' weekly salary.
A) 3x + 26
B) 26(3 + x)
C) 26x + 3
D) 3(x + 26)
2
15)
16)
16)
Graph the solution set to the inequality.
x + 11 10
A)
B)
-3
-2
-1
0
-3
C)
-2
-1
0
D)
-2
-1
0
1
-2
-1
0
1
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
17)
17)
Solve the equation.
y - (6 - y) = 8(y + 4)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
18)
18)
Solve the equation.
0.7(x – 4) + 0.5 = 1 – 0.4(8 – 2x) – 0.5
A) x = 0
B) x = 4
C)
x=
0.4
D)
x = 0.4
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
19)
Solve the equation using the multiplication or division property of equality.
–x = 209.7
19)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
20)
21)
22)
Show how multiplication can be used to check the division problem.
-21 ÷ (-3) = 7
A) 7 × 3 = 21
B) 7 × (-3) = -21
C) -7 × (-3) = 21
20)
D)
-7 × 3 = -21
21)
Perform the operations.
6 (-5) - 3 (-5)
A) 165
B) -15
C)
240
Simplify by collecting the like terms. Then solve the equation.
4x - 3 x + 8 = 9 - 3
2
2
A) -2
B) C)
9
3
3
D)
-45
22)
D)
6
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
23)
23)
Convert the percent to a fraction.
1
12 %
3
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
24)
25)
24)
Convert the decimal to a fraction.
10.24
514
102
A)
B)
50
10
C)
256
25
D)
128
125
25)
Simplify the exponential expression.
(-0.3)2
A) 0.09
B) -0.6
C)
4
0.6
D)
-0.09
Answer Key
Testname: UNTITLED1
1) B
2) x =
-3
3) x – 11 = 12; x = 23
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
A
B
C
B
B
B
B
A
A
A
17)
y=-
18)
19)
20)
21)
22)
B
23)
He must score 60 or higher.
A
B
19
3
x = -209.7
B
B
A
37
300
24) C
25) A
5