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What is the value of the discriminant in f(x)=6x 2 +10x−1?

Answer 1

#124#

The discriminant is equal to #b^2-4ac#. We just need to find our values for #a, b# and #c# and plug them into our expression for the discriminant.

This quadratic is in standard form, #ax^2+bx+c#. We know the following:

#a=6# #b=10# #c=-1#

Now we can plug the values in:

#10^2-4(6)(-1)= 100-24(-1)= 100+24=124#

The discriminant is #124#

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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What is the value of the discriminant in f(x)=6x ​2 ​​ +10x−1?

What is the value of the discriminant in f(x)=6x 2 +10x−1?