Question 6
Is 0.2 a root of the equation $x^{2}$ – 0.4 = 0? Justify your answer.

Open in App

Solution

No, since 0.2 does not satisfy the quadratic i.e., $(0.2)^{2}$ -0.4 = 0.04 – 0.4 $\neq$ 0.

Suggest Corrections

Similar questions

Question 6
Is 0.2 a root of the equation $x^{2}$ – 0.4 = 0? Justify your answer.

Question 6
Is 0.2 a root of the equation $x^{2}$ – 0.4 = 0? Justify your answer.

x^{2}

0.2

x^{2} - 0.4 = 0

Question 3
Does a quadratic equation with integral coefficient has integral roots. Justify your answer.

Join BYJU'S Learning Program