Solving: Factoring and Quadratic Formula

Solve using factoring  $x^2+x-12$  

• x= 3   ,   x=- 4

• x= -3   ,   x= 4

• x= -3   ,   x=- 4

• x= 3   ,   x= 4

Solve using factoring  $x^2-9x+14$  

• x= 2 , x= 7

• x= -2 , x= -7

• x= -2 , x= 7

• x= 2 , x= -7

Solve using factoring  $x^2-25$  

• x= 5 , x=-5

• x=5 , x=5

• x= -5,  x=-5

Solve using factoring  $2x^2-5x-3$  

• x = -1/2 , x= 3

• x = 1/2 , x= 3

• x = -1/2 , x= - 3

• x = 1/2 , x= 3

Solve using factoring  $3x^2+x-2$  

• x = 2/3 , x = -1

• x = -2/3 , x = -1

• x = 2/3 , x = 1

• x = -2/3 , x = 1

Solve using the Quadratic Formula  $x^2-4x+2$  

• x = 3.4 , x = 0.6

• x = 2

• x = -2

• x = -3.4 , x = -0.6

Solve using the Quadratic Formula  $x^2+5x-2$  

• x = .35 , x = -5.35

• x = -.35 , x = -5.35

• x = .35 , x = 5.35

• x = -.35 , x = 5.35

Solve using the quadratic formula  $3x^2+x+3$  

•  $x=\frac{-1\pm i\sqrt{35}}{6}$  

•  $x=\frac{1\pm i\sqrt{35}}{6}$  

•  $x=\frac{-1\pm\sqrt{-35}}{6}$  

•  $x=\frac{1\pm\sqrt{-35}}{6}$  

The  $i$  means

• imaginary

• illuisve

• ilegitamate

• illegal

Which below is the quadratic formula?

• $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

• $a^2+b^2=c^2$

• $E=mc^2$

• SOH CAH TOA