Question

3 root 8 by root 2
examine whether the number is rational or irrational​

Answer 1

Answer:

5656

Step-by-step explanation:

Answer 2

Answer:

Example: 1.5 is rational, because it can be written as the ratio 3/2

Example: 7 is rational, because it can be written as the ratio 7/1

Example 0.317 is rational, because it can be written as the ratio 317/1000

But some numbers cannot be written as a ratio!

They are called irrational (meaning "not rational" instead of "crazy!")

The Square Root of 2

The square root of 2 is irrational. How do I know? Let me explain ...

Squaring a Rational Number

First, let us see what happens when we square a rational number:

If the rational number is a/b, then that becomes a2/b2 when squared.

Example:

( 34 )2 = 3242