invisibleshark14
invisibleshark14 invisibleshark14
  • 10-04-2019
  • Mathematics
contestada

The polynomial 32x^2+16x-57 has two real roots TRUE OR FALSE

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 10-04-2019

ANSWER

True

EXPLANATION

The given quadratic polynomial is

[tex]32 {x}^{2} + 16x - 57[/tex]

We have a=32,b=16,c=-57

Recall and use the discriminant,

[tex]D = {b}^{2} - 4ac[/tex]

[tex]D = {16}^{2} - 4(32)( - 57)[/tex]

[tex]D =256 + 7296 = 7552[/tex]

Since the discriminant is positive, the polynomial has two real roots.

The correct choice is True

Answer Link
leslie7343 leslie7343
  • 02-06-2020

Answer: True

Step-by-step explanation: explanation

Answer Link

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