Question

Is 0.2 a root of the equation x²–0.4=0? Justify

Answer 1

Answer:

No,0.2 is not a root as a root means a no. which would satisfy the equation. If we put 0.2 as x then x² comes out to be 0.04 and since 0.04-0.4≠0 . Hence,its not a root.

Answer 2

Answer:

No, it is not

Step-by-step explanation:

${0.2}^{2} - 0.4 = 0$

00.4-0.4 Is not equal to 0