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jeweingleybl3izabeb
jeweingleybl3izabeb jeweingleybl3izabeb
  • 24-05-2016
  • Mathematics
Answered

Use the quadratic formula to solve 2y2 + 2y – 12 = 0.



Question 6 options:



{–3, –2}




{3, –2}




{–3, 2}



{3, 2}

Verified Answer :

caylus
caylus caylus
  • 24-05-2016

Hello
y²+y-6=0
==> y²-2y+3y-6=0
==>y(y-2)+3(y-2)=0
==>y-2)(y+3)=0
==>y=-3 or y=2

Answer C (-3,2)

Answer Link

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