Ch. 0 Chapter R: Review
0.1 Real Numbers
- Work with Sets
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A ={1, 2, 3, 5, 8}, B ={2, 3, 5, 7}, and C ={1, 4, 9} to find the set.
1) B ∪ C
A) {1, 2, 3, 4, 5, 7, 9} B) { }C) {0}D) {1, 2, 3, 5, 7, 9}
2) A ∪ C
A) {1, 2, 3, 4, 5, 8, 9} B) {4, 6, 7, 9}C) {1}D) {1, 2, 3, 5, 7, 9}
3) A ∩ B
A) {2, 3, 5}B) {1, 2, 3, 5, 7, 8}C) {2, 3, 5, 7}D) {1, 2, 3, 5, 8}
4) A ∩ C
A) {1}B) {1, 2, 3, 4, 5, 7, 8, 9} C) {4, 6, 7, 9}D) {1, 2, 3, 5, 7, 9}
5) (A ∩ B) ∪ C
A) {1, 2, 3, 4, 5, 9}B) {1, 2, 3, 5}C) {1, 2, 3}D) {2, 3, 5}
6) (B ∪ C) ∩ A
A) {1, 2, 3, 5}B) {1, 2, 3, 4, 5, 7, 9} C) { }D) {1, 2, 3}
7) B
- {0, 1, 4, 6, 8, 9}B) {1, 4, 6, 8, 9}C) {0, 1, 4, 6, 7, 8, 9} D) {0, 1, 4, 6, 9}
8) A ∪ B
A) {0, 4, 6, 9}B) {4, 6, 9}C) {1, 4, 6, 8, 9}D) {1, 2, 3, 5, 7, 8}
9) A ∩ C
A) {0, 2, 3, 4, 5, 6, 7, 8, 9}B) {1}
C) {1, 2, 3, 4, 5, 7, 8, 9}D) {1, 2, 3, 4, 5, 6, 7, 8, 9}
10) B ∩ C
A) {0, 6, 8}B) {6, 8}C) {1, 2, 3, 4, 5, 7, 9} D) { }
Page 1 Algebra and Trigonometry 8e Michael Sullivan (Test Bank All Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Each Chapter 1 / 4
- Classify Numbers
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.List all the elements of B that belong to the given set.
1) B =13, 6, -4, 0,
8 9 , - 98
, 6.0
Integers
A) {13, -4, 0}B) {13, 0}C) {13, -4} D) {13, 0, 6}
2) B =15, 5, -14, 0,
1 2
, -2, 8.6
Natural numbers
A) {15}B) 15, 0, -2C) {15, 0}D) {-14, 0, 15}
3) B =4, 8, -12, 0,
04 Real numbers
A) 4, 8, -12, 0,
04
B) {4, -12, 0}C) 4, -12, 0,
04
D) 4, -12
4) B =3, 7, -11, 0,
05
, 0.27
Rational numbers
A) 3, -11, 0,
05
, 0.27 B) {3, 0}C) { 7}D)7,
05
, 0.27
5) B =2, 8, -14, 0,
04
, 0.45
Irrational numbers
A) { 8}B){8, 0.45} C) 8,
04
D) 8,
04
, 0.45
6) B = {11, 5, -9, 0,
25
, -
52
, 4.5, 9π, 0.959595...}
Integers
A) {11, -9, 0}B) {11, 0}C) {11, -9} D) {11, 0, 5}
7) B = {3, 5, -7, 0,
3 4 , - 43
, 1.3, 5π, 0.525525525...}
Natural numbers
A) {3} B) 3, 0, -
4 3
C) {3, 0}D) {-7, 0, 3}
Page 2 2 / 4
8) B = {10, 6, -19, 0,
4
, 25, 0.93, -6π, 0.252525...}
Rational numbers
A) 10, -19, 0,
4
, 25, 0.93, 0.252525...B) 10, -19, 0,
04
, 0.93
C) 10, -19, 0,
04
, 0.93, 0.252525...D) 10, -19, 0,
04
, 25, 0.93, -6π, 0.252525...
9) B = {3, 6, -21, 0,
07
, , 0.86, -6π, 0.444...}
Irrational numbers
A) { 6, -6π}B){6}C)6,
7
,-6π D) { 6, -6π, 0.444...}
Approximate the number rounded to three decimal places, and truncated to three decimal places.
10) 4.1824
A) 4.182
4.182
B) 4.183
4.182
C) 4.182
4.183
D) 4.181
4.183
11) 2.66666667
A) 2.667
2.666
B) 2.668
2.666
C) 2.667
2.667
D) 2.666
2.667 12) 16 7
A) 2.286
2.285
B) 2.287
2.285
C) 2.286
2.286
D) 2.287
2.286
- Evaluate Numerical Expressions
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.Write the statement using symbols.1) The sum of 26 and 13 is 39.
A) 26 + 13 = 39 B)
26 13
= 2C)26·13=338 D) 26 -13=13
2) The difference 8 less 4 equals 4.
A) 8 - 4 = 4B)
84
= 2C)8+4=12D) 8 · 4=32
3) The product of 8 and 4 equals 32.
A) 8 · 4 = 32B)
84
= 2C)8+4=12D) 8 -4=4
4) The quotient 15 divided by 3 is 5.A) 15 3
= 5B)15 · 3=45 C) 15 +3=18 D) 15 -3=12
Page 3 3 / 4
5) The sum of four times x and 5 decreased by 7 is 8.
- 4x + 5 - 7 = 8 B) 4(x +5) -7 =8C)7 -(4x +5) =8 D) 4(x +5 -7) =8
- 3(x - 8) = -10 B) 3 - x -
- x + 5 +x C) x(5 +x) D)
6) Three times the difference of x and 8 is -10.
8 =-10 C) 3x -8 =-10 D) 3 +x -8 =-10 7) The quotient of x and the sum of 5 and x.A) x 5 + x
x +5 x Evaluate the expression.
8) 7 + 2 - 1
A) 8 B) 10 C) 4 D) 6
9) 4 +
3 7 A) 31 7 B) 28 7 C) 31 3 D) 28 3
10) 3 · [3(4 - 6) - 6]
A)-36 B) 18 C)-24 D) 14
11) 2 · [7 + 4 · (7 + 2)]
A) 86 B) 198 C) 50 D) 194
12)-6 - (-1 + 2 · 2 - 2)
A)-7B)-5C)-11 D)-9
13) 28 18
·
2 7 A) 4 9 B) 9 4 C) 14 9 D) 9 7 14) 4 5
· 2 +
2 3 A) 32 15 B) 8 5 C) 8 15 D) 32 3 15) 1 2
· 7 -
1 6
+ 9
A) 149 12 B) 37 3 C) 95 6 D) 25 6 Page 4
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