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Calculate the discriminant to determine the number of real roots. Y=x^2+3x+9 How many real roots does the equation have? A) no real roots B) no solution to the equation C) one r…

Calculate the discriminant to determine the number of real roots. Y=x^2+3x+9 How many real roots does the equation have? A) no real roots B) no solution to the equation C) one r…
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1 vote
Calculate the discriminant to determine the number of real roots.

Y=x^2+3x+9
How many real roots does the equation have?
A) no real roots
B) no solution to the equation
C) one real root
D) two real roots

asked
User Fedir RYKHTIK
by
8.1k points

1 Answer

4 votes
D = b^2 - 4ac = 3^2 - 4*1*9
= 9 - 36 = -27

because its negative there are no real roots

just 2 imaginary roots

answered
User Nishant Patel
by
8.7k points
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