Question

Which of the following is a counterexample to the statement "All odd numbers are divisible by 3"
a. 8 is not divisible by 3
b. 3 is divisible by itself
c. 7 is a prime number
d. 9 is divisible by 3

Answer 1

D?

Answer 2

C. 7 is an odd number and can't be divisible by 3.

Answer 3

aaa i get it

Answer 4

counter :)

Answer 5

So @Calcmathlete is right?

Answer 6

yes

Answer 7

thank you once again XD

Answer 8

Anytime :)

Answer 9

A counter example is one that disproves a statement/conclusion.

a) Cannot be true because 8 isn't an odd number.
b & d) Aren't true because they agree with the statement.

c) Is correct because 7 is an odd number but it's not divisible by 3.