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Uconnkid Uconnkid
  • 19-04-2014
  • Mathematics
Answered

Write a quadratic function in standard form with zeros 9 and -4

Verified Answer :

Anonymous Anonymous
  • 19-04-2014

\(if\ x_1\ and\ x_2\ zeros,\ then\ quadratic\ function\:\\\\f(x)=a(x-x_1)(x-x_2)\\\\\\9;\ -4-zeros,\ then:\\\\f(x)=a(x-9)(x+4)=a(x^2+4x-9x-36)=a(x^2-5x-36)\\\\\\if\ a=1\ then\ f(x)=x^2-5x-36\)

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