Sets, Elements and Notations

Calculate the subsets of the set {1, 2, 3}.

• 8

• 6

• 4

• 10

Are the sets {a, b, c} and {c, b, a} equal sets?

• No

• Sometimes

• Maybe

• Yes

Find the union of the sets {1, 2, 3} and {3, 4, 5}.

• {1, 2, 3, 4, 5}

• {1, 2, 4, 5}

• {1, 2, 3, 4}

• {1, 2, 5}

Determine the intersection of the sets {red, blue, green} and {blue, yellow, green}.

• {red, yellow}

• {red, yellow, blue}

• {red, blue}

• {blue, green}

What is the complement of the set {apple, banana, cherry} with respect to the universal set {apple, banana, cherry, orange, pear}?

• {orange, pear}

• {cherry, pear}

• {banana, orange}

• {apple, pear}

Identify the elements of the set {dog, cat, fish}.

• {dog, bird, rabbit}

• {dog, cat, fish}

• {dog, cat, bird}

• {cat, fish, hamster}

How many subsets does the set {x, y, z} have?

• 4

• 10

• 6

• 8

Are the sets {1, 2, 3} and {1, 2, 3, 4} equivalent sets?

• No

• Yes

• Maybe

• Sometimes

Calculate the subsets of the set {a, b}.

• 6

• 4

• 2

• 8

Find the union of the sets {red, blue} and {blue, green}.

• {red, blue, green}

• {blue, green}

• {red, green}

• {red, blue}