Quadratic Formula

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6
• x=3 or x=2
• x=-3 or x= 2
• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

The solution of the quadratic equation
4x²-5x-9=0 are

• x=-1 or x=9/4
• x=1 or x=9/4
• x=2 or x=3
• x=-2 or x=-3

Tags

CCSS.HSA-REI.B.4B

Solve the following using the quadratic formula.
2x² -x +6 = 0

• (1+i√23)/4 , (1- i√23)/4 
• 2, -3/2
• -2, 3/2
• 1/4

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7