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Which of the following equations has 0 as one of its roots?

Class 10Standard Form and RootsQuadratic Equations

A $x^{2} + 5 x = 0$
B $x^{2} + 4 = 0$
C $x^{2} - 9 = 0$
D $x^{2} + 1 = 0$

Step-by-Step Solution

Put

x = 0

in

x^{2} + 5 x = 0

: 0 + 0 = 0. So 0 is a root. The others give a non-zero value at

x = 0

.

Answer: A)

x^{2} + 5 x = 0

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