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3 votes
F(x)=4x
2
+2x+6 How many distinct real number zeros does f have?

2 Answers

2 votes

Answer:

It has 0 distinct real number zeros. The function does not touch the x-axis

User Mikushi
by
8.3k points
0 votes

Answer:

NO real zeros for this quadratic function.

Explanation:

We can answer this questions looking at the discriminant (
b^2-4ac) associated with this quadratic function:
f(x) =4x^2+2x+6

Discriminant is:
b^2-4ac=(2)^2-4(4)(6)=4-96=-92

Since we get a negative answer, this means that there are NO real solutions to this quadratic function (No real zeros). The zeros are complex numbers.

User Paul Welbourne
by
7.2k points

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