taylorlynch
Answered

Determine the nature of the roots: 5x^2+20x+20=0

a.


no real solutions


c.


cannot be determined

b.


a unique real solution


d.


two distinct real solutions

Verified Answer :

Julik

5x²+20x+20=0
5(x²+4x+4)=0
5(x+2)(x+2)=0
x+2=0
x= -2

b.
a unique real solution


Benjamin16

\(5x^{2}+20x+20=9 \\ \\ \Delta=20^{2}-4*5*20=400-400=0\)

a unique real solution

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