mistysallaberry
mistysallaberry mistysallaberry
  • 25-10-2018
  • Mathematics
contestada

Will give brainliest and extra points omg help ! /:

Will give brainliest and extra points omg help class=

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QueenZagar35 QueenZagar35
  • 25-10-2018
the answer is D i think
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jimrgrant1 jimrgrant1
  • 25-10-2018

(d)

This equation does not factor, but we can solve using the quadratic formula

x = ( - b ± √(b² - 4ac) )/ 2a

given the equation in standard form : ax² + bx + c = 0

divide through by - 1, to obtain

x² + 7x + 2 = 0

with a = 1, b = 7 and c = 2, then

x = ( - 7 ± √(49 - 8) ) / 2

  = ( - 7 ± √41 ) / 2

x = - [tex]\frac{7}{2}[/tex] ± √41 / 2 → (d)


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