Solving quadratics

Solve the following quadratic equation $x^2+9x=0$  

•  $x=0,\ 9$  

•  $x=0,\ -9$  

•  $x=3,\ -3$  

•  $x=0,\ 3$  

factor the following quadratic equation  $4x^2-8x$  

•  $-4x\left(x+2\right)$  

•  $4x^2\left(x-2\right)$  

•  $4x\left(x+2\right)$  

•  $4x\left(x-2\right)$  

Solve: $x^2-10x+21=0$  

•  $x=3,\ x=-7$  

•  $x=-3,\ x=7$  

•  $x=3,\ x=7$  

•  $x=-3,\ x=-7$  

Factor the following quadratic equation $2x^2-2x-24$  

•  $2\left(x+4\right)\left(x-3\right)$  

•  $2\left(x-4\right)\left(x+3\right)$  

•  $\left(2x+4\right)\left(x-6\right)$  

•  $\left(x+4\right)\left(2x-6\right)$  

factor the following quadratic equation:
 $3x^2-13x-30$  

•  $\left(x-6\right)\left(3x+5\right)$  

•  $\left(x-18\right)\left(x+5\right)$  

•  $\left(x-2\right)\left(x+5\right)$  

•  $\left(x+18\right)\left(x-5\right)$  

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:3x² + 5x + 2 = 0  

• x = -2/3 and x = -1
• x = -3/2 and x = -1
• x = 2/3 and x = 1
• x = 2/3 and x = -1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 5x² + 13x + 6 = 0

• x = -2 and x = -3/5
• x = 2 and x = 3/5
• x = -2 and x = 3/5
• x = 2 and x = -3/5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 2x² - 5x - 12 = 0

• x = -4 and x = -6
• x = 4 and x = -3/2
• x = 4 and x = 6
• x = -4 and x = 3/2

Tags

CCSS.HSA-REI.B.4B