SOLUTION: What values of "a" does the function f(x)=ax^2+6x+9 have two zeros, have one zero, have no zero's thank you :)

Question 1038671: What values of "a" does the function f(x)=ax^2+6x+9 have two zeros, have one zero, have no zero's
thank you :)
Found 3 solutions by josgarithmetic, MathTherapy, Alan3354:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!

------discriminant.

Notice that if a=1, f is a perfect square and and has exactly ONE zero.

------------ two real zeros

------------ No real zeros
Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!

What values of "a" does the function f(x)=ax^2+6x+9 have two zeros, have one zero, have no zero's
thank you :)

Two zeroes:
One zero:
No zeroes:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
All quadratics have 2 zeroes.
If you mean real zeroes, you should say that.
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