Question

PLEASE HELP ME ASAP!!!!!!!!

Which of the following is an irrational number?

A) square root 25
B) square root 36
C) square root 50
D) square root 64

Answer 1

Answer:

50

Step-by-step explanation: 50 is the only number that you can't multiply by two of the same whole number.

Answer 2

Answer:

C

Step-by-step explanation:

An irrational number cannot be expressed in the form

$\frac{a}{b}$ where a and b are integers

A

$\sqrt{25}$ = ± 5 ← both integers

B

$\sqrt{36\\}$ = ± 6 ← both integers

C

$\sqrt{50\\}$ = 5$\sqrt{2\\}$ ← $\sqrt{2}$ is irrational

D

$\sqrt{64\\}$ = ± 8 ← both integers