Asked by fatima
determine the value(s) of k which the equation x^2+kx+9=0 will have
a) two real roots
b) 2 distinct roots
I tried to find the discriminant but I didn't get the right answer.
a) two real roots
b) 2 distinct roots
I tried to find the discriminant but I didn't get the right answer.
Answers
Answered by
Steve
why not show your work?
The discriminant is k^2-36
Now, what does that tell you about the number of roots?
The discriminant is k^2-36
Now, what does that tell you about the number of roots?
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