Solving Quadratic Equations by Factoring

What is the first step in solving this quadratic equation? $x^2+5x=6$  

• Factor

• Subtract 6 from both sides to set the equation equal to 0

• Set each factor equal to 0

• Combine like terms

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $x^2-6x-7=0$  

•  $x=7\ \ \ \&\ \ \ x=-1$  

•  $x=1\ \ \ \&\ \ \ x=-7$  

•  $x=0$  

•  $x=\frac{-7}{5}$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $x^2+25=10x$  

•  $x=-5$  

•  $x=5$  

•  $x=0$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $5x^2=10x$  

•  $x=-2$  

•  $x=2$  

•  $x=2$  & $x=0$  

•  $x=-2$  & $x=0$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $x^2-13x-30=0$  

•  $x=3\ \ \ \&\ \ \ x=10$  

•  $x=-3\ \ \ \&\ \ \ x=-10$  

•  $x=-2\ \ \ \&\ \ \ x=15$ 

•  $x=2\ \ \ \&\ \ \ x=-15$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation:
 $x^2+5x=6$  

•  $x=2\ \ \ \&\ \ \ x=3$  

•  $x\ =-1\ \ \ \&\ \ \ x=6$  

•  $x=1\ \ \ \&\ \ \ x=-6$  

•  $x=-2\ \ \ \&\ \ \ x=-3$  

Tags

CCSS.HSA-REI.B.4B

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10
• (x+4)(x+5); x = -5, -4
• (x-4)(x-5); x = 4, 5
• Not factorable

Tags

CCSS.HSA-REI.B.4B

Factor x² + 6x + 9 and solve for x. 

• (x+3)(x+3); x = -3
• (x+4)(x+5); x=-4, -5
• (x-3)(x-3); x=3
• Not factorable

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2
• x=-3,2
• x=2,3
• x=3,2

Tags

CCSS.HSA-REI.B.4B

Solve

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B