Question

The roots of the quadratic equation x² – 0.04 = 0 are ______.

Options

• ± 0.2

• ± 0.02

• 0.4

• 2

Answer 1

The roots of the quadratic equation x² – 0.04 = 0 are ± 0.2.

Explanation:

x² – 0.04 = 0

⇒ x² = 0.04

⇒ `x = ± sqrt(0.04)`

⇒ x = ± 0.2