Question

8. If ax+c=0 then x=

Answer 1

Answer:

Step-by-step explanation:

ax+c=0

ax=-c

x=-c/a

Answer 2

Step-by-step explanation:

For the equation to have equal roots, the discriminant must be equal to zero.

D= b

2

−4ac=0

⇒ b

2

=4ac

⇒ c=

4a

b

2