Factoring and Quadratic Formula

Identify a, b and c in the quadratic equation: $2x^2-3x-5=0$   

• a = 2 , b = 3, c = -5

• a = 2, b = -3, c = 5

• a = 2, b = -3, c = -5

• a = -2, b = 3, c = 5

 $m^2-5m-14=0$  

• x = 7 and -2

• x = 7 and 2

• x = -7 and -2

• x = -7 and 2

 $x^2+4x+3=0$  

• x = 1 and -3

• x = -1 and -3

• x = -1 and 3

• x = 1 and 3

Factor

 $x^2+4x-12$  

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

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

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

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

Identify the a, b, and c terms in the following quadratic equation.

 $4n^2-5n+16$  

•  $a=4,\ b=5,\ c=16$  

•  $a=\ -4,\ b=\ -5,\ c=-16$  

•  $a=4,\ b=\ -5,\ c=16$  

•  $a=\ -4,\ b=5,\ c=\ -16$  

Factor

 $2x^2+3x-9$  

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

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

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

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

Factor

 $x^2-13x+40$  

•  $\left(x+4\right)\left(x+10\right)$  

•  $\left(x-4\right)\left(x-10\right)$  

•  $\left(x+5\right)\left(x+8\right)$  

•  $\left(x-5\right)\left(x-8\right)$  

Solve using the Quadratic Formula

 $2m^2-7m-3=0$  

•  $\left(7\ and\ 4\right)$  

•  $\left(\frac{\left(5+\sqrt{41}\right)}{4}\ and\ \frac{\left(5-\sqrt{41}\right)}{4}\right)$  

•  $\frac{\left(7+\sqrt{73}\right)}{4}\ and\ \frac{\left(7-\sqrt{73}\right)}{4}$  

•  $\left(-12\ and\ \frac{4}{3}\right)$  

Factor:  x² + 13x + 30

• (x + 3)(x + 10)
• (x + 5)(x + 6)
• (x + 2)(x + 15)
• (x + 1)(x + 30)

Factor:  6x² + 9x

• (6x + 1)(x + 3)
• (3x + 1)(2x + 3)
• 3x(2x + 3)
• 6x(x + 3)