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jeyben [28]
2 years ago
12

Find the disciminant of the quadratic equation:

le="4k^2+8k+4=0" alt="4k^2+8k+4=0" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
DochEvi [55]2 years ago
4 0

here

  • a=4
  • b=8
  • c=4

Discriminant

  • D=b²-4ac
  • D=8²-4(4)(4)
  • D=64-4³
  • D=64-64
  • D=0
insens350 [35]2 years ago
3 0

Answer:

0 (zero)

Step-by-step explanation:

<u>Discriminant</u>

b^2-4ac\quad\textsf{when}\:ax^2+bx+c=0

Given equation:  4k^2+8k+4=0

Therefore:

  • a = 4
  • b = 8
  • c = 4

Substitute these values into the discriminant and solve:

\begin{aligned}\implies b^2-4ac & = 8^2-4(4)(4)\\& = 64 - 4(16)\\& = 64 - 64\\& = 0\end{aligned}

Therefore, the discriminant of the given quadratic equation is zero.

This implies that the graph of the equation has one real root.

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Step-by-step explanation:

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3 years ago
Simplify the problem given.
maks197457 [2]
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umka2103 [35]

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