Question

For which operations is the set {–1, 0, 1} closed?

Choose all answers that are correct.

A.
addition

B.
division

C.
multiplication

D.
subtraction

Answer 1

@BRONCOBURDEN17

Answer 2

A ,C and D

Answer 3

are u 100% sure?

Answer 4

yes

Answer 5

what about this one
Which equations show that the set of whole numbers is closed under multiplication?

Choose all answers that are correct.

A.
–1 • –1 = 1

B.
0 • –1 = 0

C.
0 • 2 = 0

D.
2 • 1 = 2

Answer 6

no doubt at all

Answer 7

@DrummerGirl14

Answer 8

@dayakar so u cant help on the problem above?

Answer 9

C A

Answer 10

Choose all answers that are correct.

3.

(1 pt)
Which sets of numbers are closed under addition?

Choose all answers that are correct.

A.
{0, 2, 5, 8}

B.
even integers

C.
rational numbers

D.
{0}

Answer 11

@BRONCOBURDEN17

Answer 12

Choose the answer.
5.

(1 pt)
Is the set of numbers that can be written as the product of 6 and an integer closed under subtraction?

A.
Yes, because the difference of any two multiples of 6 is equal to 6.

B.
Yes, because the difference of any two multiples of 6 is also a multiple of 6.

C.
No, and a counterexample is 6 – 6 = 0.

D.
No, and a counterexample is 6 – 18 = –12.

Answer 13

help