Compound Inequality Graphs (MATH UNIT 5)

Given X = {15, 22, 33, 44, 89, 165, 1025} and Y = {-5, 15, 33, 88, 99, 150, 160, 1025}, which of the following statements is false? 1. X∪Y = {-5, 15, 22, 33, 44, 89, 99, 150, 160, 165, 1025} 2. X ∩ Y = {15, 33, 1025} 3. Ø⊂(X∪Y)

1

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5}, match the following items. Ø

A∩B

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5}, match the following items. {x | x < 1 or x ≥ 5}

A∪B

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5}, match the following items. {x | x < 1 or x = 5}

A∪C

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5}, match the following items. {x | x = 5}

B∩C

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5}, match the following items. {x | x ≥ 5}

B∪C

What is the solution set of {x | x > -5} ∪ {x | x < 5}?

all real numbers

Which of the following describes the graph of {x | x ≤ 1} ∪ {x | x ≥ 4}?

closed circles on 1 and 4 with arrows pointing outward

a statement formed by two or more inequalities

compound inequality

What does ∩ stand for?

intersection

the intersection of sets A and B is defined as any elements that are in both set A and set B

intersection

Which of the following describes the graph of {x|2<x<2}?

no solution

What is the solution set of {x | x < -5} ∩ {x | x > 5}?

the empty set

Let A = {the Rationals} and B = {the Irrationals}.Find A∪B.

the real numbers

What does ∪ stand for?

union

the union of sets A and B is defined as any elements that are in either set A or set B

union