AnswersGeometry - Semester 1 PathwaysTriangle Congruence: SSS and HL

Sets and Venn Diagrams Answers

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3

Which statements are true about x? Select three options.

A
x ∈ B ⋃ C
B
x ∈ B ∩ C
C
x ∈ A ⋃ C
D
x ∈ A ∩ C
E
x ∈ A
4

If the set U = {all positive integers} and set A = {x|x ∈ U and x is an odd positive integer}, which describes the complement of set A, Ac?

A
Ac = {x|x ∈ U and is a negative integer}
B
Ac = {x|x ∈ U and is zero}
C
Ac = {x|x ∈ U and is not an integer}
D
Ac = {x|x ∈ U and is an even positive integer}
6

Consider U = {x|x is a negative real number}.Which is an empty set?

A
{x|x ∈ U and x has a negative cube root}
B
{x|x ∈ U and x has a negative square root}
C
{x|x ∈ U and x is equal to the product of a positive number and –1}
D
{x|x ∈ U and x is equal to the sum of one negative and one positive number}

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Sets and Venn Diagrams Answers — Geometry …