Question

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

Question 6 options:


{–3, –2}



{3, –2}



{–3, 2}


{3, 2}

Answer 1

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)