Question

Which of the following will result in a rational number? select all that apply. A, 1 sqare root of 4/ + 5/12 B. 1 square root of 9/7 + 7/15 C. square root of 2 - 5/7 D. square root of 2/7 ÷ 5/7​

Answer 1

A. & B.

Explanation:

Square root of 4 is 2, and the square root of 9 is 3. These are rational, and adding fractions keeps them rational.

But the square root of 2 is irrational, and subtracting or dividing will not make them rational.

Hope this helps! :)