Question

the root of quadratic equations ax^2 + bx = 0 are
a) 0,b/a. b) 0,b/a
c) b/a, -b/a. d) -b/a, -b/a​

Answer 1

Answer:

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Step-by-step explanation:

Given:

ax^2 + bx = 0

Solution:

Let p,q be the roots of this equation.

We know that, Sum of the roots, p+q = -b/a

And,Product of the roots, pq = c/a

a => coefficient of x^2 term

b => coefficient of x term

c => constant term

Here, p+q = -b/a

pq = 0 ( since there is no constant term in this equation, we take c=0)

=> p = 0

Sub p = 0 in p + q = -b/a

=> q = -b/a

The roots of the equation ax^2 +bx = 0 are 0,-b/a

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