Question

If x = (-3) × (-4) and y = √144, then which of the following is true?
1. y = √x
2. x = -y
3. x = 1/y
4. x = y

Answer 1

Correct Answer - Option 4 : x = y

Given:

x = (-3) × (-4)

y = √144

Calculation:

x = 12

y = √144 = 12

⇒ x = y = 12

∴ x = y