Live Education Quiz

1

What is the domain of R = {(3, 9), (4, 16), (5, 25)}?

A

{3, 4, 5}

B

{9, 16, 25}

C

{3, 9, 4, 16, 5, 25}

D

{9, 16}

2

In a Venn diagram, if set A is completely inside set B, what does that imply?

A

A ⊂ B

B

B ⊂ A

C

A = B

D

A and B are disjoint

3

What is the range of the relation R = {(2,4), (3,6), (4,8)}?

A

{2, 3, 4}

B

{4, 6, 8}

C

{2, 4, 6, 8}

D

{4, 8}

4

What is the union of A = {1, 2, 3} and the empty set?

A

{1, 2, 3}

B

∅

C

{1, 2, 3, ∅}

D

U

5

What is the domain of the relation R = {(1,2), (2,3), (3,4)}?

A

{1, 2, 3}

B

{2, 3, 4}

C

{1, 2, 3, 4}

D

{1, 3}

6

If A = {a, b, c} and B = {c, d, e}, what is A ∩ B?

A

{c}

B

{a, b, c, d, e}

C

{a, b}

D

{d, e}

7

If U = {1, 2, 3, 4, 5, 6}, A = {1, 2, 3}, what is A' (complement of A)?

A

{4, 5, 6}

B

{1, 2, 3}

C

{1, 2, 3, 4, 5, 6}

D

∅

8

Which of the following is a binary relation from A = {1, 2} to B = {3, 4}?

A

{(1,3), (2,4)}

B

{(1,1), (2,2)}

C

{(3,1), (4,2)}

D

{(1,2,3)}

9

If A = {1, 3, 5} and B = {2, 4, 6}, what is A ∩ B?

A

{1, 2, 3, 4, 5, 6}

B

∅

C

{1, 3, 5}

D

{2, 4, 6}

10

If R = {(x, y) | x ∈ {1, 2}, y ∈ {3, 4}} is a binary relation, which is a valid ordered pair in R?

A

(1, 3)

B

(3, 1)

C

(1, 1)

D

(3, 3)

🎉 Practice Complete!