califaking califaking

15-02-2017
Mathematics

Answered

Calculate the discriminant to determine the number of real roots.

Y=x^2+3x+9

How many real roots does the equation have?

Ano real roots
Bno solution to the equation
Cone real root
Dtwo real roots

Verified Answer :

Anonymous Anonymous

17-02-2017

D = b^2 - 4ac = 3^2 - 419
= 9 - 36 = -27

because its negative there are no real roots

just 2 imaginary roots

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