Test Bank For College Algebra 5th Edition All Chapters - 9780138208387

Test Bank For College Algebra 5th Edition
Chapter 0 Review




Chapter 0 Review
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 =

Integers 1) _______

A) { 13, 0} B) { 13, 0, } C) { 13, -17} D) { 13, -17, 0}


2) B =

Natural numbers 2) _______

A) B) { -13, 0, 5} C) { 5, 0} D) { 5}


3) B =


Real numbers 3) _______

A) B)

C) D) { 6, -17, 0}



4) B =


Rational numbers 4) _______

A) { 7, 0} B) { }
C) D)



5) B =


Irrational numbers 5) _______

A) { } B) C) D) { , 0.51}




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,Test Bank For College Algebra 5th Edition
Chapter 0 Review



6) B = { 16, , -24, 0, ,- , 8.8, 25π, 0. 25 8 25 8 25 8...}

Integers 6) _______

A) { 16, 0, } B) { 16, 0} C) { 16, -24} D) { 16, -24, 0}


7) B = { 5, , -18, 0, , - , 5.4, 5π, 0. 5 25 5 25 5 25...}

Natural numbers 7) _______

A) B) { 5, 0} C) { -18, 0, 5} D) { 5}



8) B = { 6, , -24, 0, , , 0.84, -8π, 0. 4 4 4...}

Rational numbers 8) _______

A) B)

C) D)



9) B = { 20, , -13, 0, , , 0.09, -6π, 0. 16 16 16...}

Irrational numbers 9) _______

A) B) { , -6π}

C) { } D) { , -6π, 0. 16 16 16...}

Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed
infinite), write the set using set-builder notation, and write the set using interval notation.
10)


10) ______

A) closed interval; {x| -6 ≤ x ≤ -5}; [ -6, -5]
B) open interval; {x| -6 < x < -5}; ( -6, -5)
C) half-open interval; {x| -6 < x ≤ -5}; ( -6, -5]
D) half-open interval; {x| -6 ≤ x < -5}; [ -6, -5)

11)




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,Test Bank For College Algebra 5th Edition
Chapter 0 Review




11) ______

A) half-open interval; {x| -10 ≤ x < -7}; [ -10, -7)
B) closed interval; {x| -10 ≤ x ≤ -7}; [ -10, -7]
C) open interval; {x| -10 < x < -7}; ( -10, -7)
D) half-open interval; {x| -10 < x ≤ -7}; ( -10, -7]

12)


12) ______

A) half-open interval; {x| -6 < x ≤ -2}; ( -6, -2]
B) closed interval; {x| -6 ≤ x ≤ -2}; [ -6, -2]
C) half-open interval; {x| -6 ≤ x < -2}; [ -6, -2)
D) open interval; {x| -6 < x < -2}; ( -6, -2)

13)


13) ______

A) half-open interval; {x| -7 < x ≤ 2}; ( -7, 2] B) closed interval; {x| -7 ≤ x ≤ 2}; [ -7, 2]
C) half-open interval; {x| -7 ≤ x < 2}; [ -7, 2) D) open interval; {x| -7 < x < 2}; ( -7, 2)

14)


14) ______

A) open infinite interval; {x|x > 5}; ( 5, ∞) B) closed infinite interval; {x|x ≤ 5}; (-∞, 5]
C) closed infinite interval; {x|x ≥ 5}; [ 5, ∞) D) open infinite interval; {x|x < 5}; (-∞, 5)

15)


15) ______

A) open infinite interval; {x|x < 7}; (-∞, 7) B) closed infinite interval; {x|x ≤ 7}; (-∞, 7]
C) open infinite interval; {x|x > 7}; ( 7, ∞) D) closed infinite interval; {x|x ≥ 7}; [ 7, ∞)

16)


16) ______




3

, Test Bank For College Algebra 5th Edition
Chapter 0 Review



A) closed infinite interval; {x|x ≥ -6}; [ -6, ∞)
B) open infinite interval; {x|x < -6}; (-∞, -6)
C) open infinite interval; {x|x > -6}; ( -6, ∞)
D) closed infinite interval; {x|x ≤ -6}; (-∞, -6]

17)


17) ______

A) closed infinite interval; {x|x ≤ -4}; (-∞, -4]
B) open infinite interval; {x|x > -4}; ( -4, ∞)
C) open infinite interval; {x|x < -4}; (-∞, -4)
D) closed infinite interval; {x|x ≥ -4}; [ -4, ∞)

Write the interval in set-builder notation and graph the set on a number line.
18)



18) ______

A)




B)




C)




D)




19)



19) ______




4