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What is the discriminant of the polynomial below? 4x² + 4x+1 О AD OB. -12 O C. -4 OD. 32
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5 votes
What is the discriminant of the polynomial below?

4x² + 4x+1
О AD
OB. -12
O C. -4
OD. 32

User Mahdi Astanei
by
3.0k points

1 Answer

3 votes

Answer:

A. 0

Explanation:

You want the discriminant of the quadratic 4x²+4x+1.

Discriminant

The discriminant of quadratic ax²+bx+c is ...

d = b² -4ac

Your given expression has ...

  • a = 4
  • b = 4
  • c = 1

Substituting these values into the formula for the discriminant, we get ...

d = 4² -4(4)(1) = 16 -16 = 0

The discriminant of the polynomial is 0.

User Karthik H
by
3.5k points
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