Question

The correct statement about the roots of the equation $x^2-4\sqrt{2}+8=0$

• A. Real and equal
• B. Real and unequal
• C. Imaginary
• D. Unequal and rational

Answer 1

The correct option is A

Real and equal

Discriminant=$(-4\sqrt{2}{)}^2-4$$\times$$8$
$=4^2$$\times$$2-32$
$=32-32$
$=0$
$\Rightarrow$ Roots are equal and real