Question

Choose the counterexample that disproves the conjecture.



If a perfect square is even, then its square root is composite.



A.


4


B.


9


C.


36


D.


64

Answer 1

@adrynicoleb

Answer 2

thanks for coming

Answer 3

Sorry, but math is not my thing. >-<

Answer 4

oh poo

Answer 5

Lol yeah. Sorry

Answer 6

Take the square root of 36 to get ______

Answer 7

6

Answer 8

Is that prime or composite?

Answer 9

that is a composite number still

Answer 10

So that's NOT a counter example

Answer 11

We are looking for something that's prime (to disprove the initial claim)

Answer 12

how about the square root of 64

is that prime or composite?

Answer 13

8 composite

Answer 14

so that's out too

Answer 15

9 is not even, so that's out too

Answer 16

found it!!

Answer 17

that leaves 4

the square root of 4 is 2, which is NOT composite (it's prime)

Answer 18

So this example disproves the initial claim