Hank said 64−−√

Question

is irrational because it is a square root. Why is he incorrect?(1 point)
Responses

Hank is incorrect because 64 is irrational.
Hank is incorrect because 64 is irrational.

Hank is incorrect because the decimal expansion of 64−−√
is a repeating decimal.
Hank is incorrect because the decimal expansion of square root of 64 is a repeating decimal.

Hank is incorrect because not all square roots are irrational.
Hank is incorrect because not all square roots are irrational.

Hank is incorrect because 64−−√=32
.

Answer 1

Hank is incorrect because not all square roots are irrational. Specifically, the square root of 64 is 8, which is a rational number. Therefore, the correct response is:

Hank is incorrect because not all square roots are irrational.