slngotti slngotti
  • 07-11-2018
  • Mathematics
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what is the value of p+q

what is the value of pq class=

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gmany
gmany gmany
  • 10-11-2018

[tex]ax^2+bx+c=0\\\\x_1,\ x_2-solutions\\\\x_1+x_2=\dfrac{-b}{a}\\--------------------------\\\\4x^2-7x-2=0\\\\a=4,\ b=-7,\ c=-2\\\\p,\ q-solutions\\\\p+q=\dfrac{-(-7)}{4}=\dfrac{7}{4}[/tex]

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