Solving for Roots/Zeros by Factoring and Square Roots

 $Solve:\ \ \ x^2-25=0\$  

• (4, 0) , (-1, 0)

• (-3, 0) , (4, 0)

• (5, 0) , (-5, 0)

• (25, 0) , (1, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ x^2-x=20$  

• (10, 0) , (-2, 0)

• (-4, 0) , (5, 0)

• (20, 0) , (1, 0)

• (4, 0) , (-5, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ 6x^2+1=-5x$  

• (-1/2, 0 ) , (-1/3, 0)

• (5, 0) , (1, 0)

• (4/5, 0) , (2/3 , 0)

• (-7, 0) , (2/3, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ 4x^2+12x+6=-3$  

• (2, 0)

• (3, 0)

• (4/5, 0)

• (-3/2, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ square\ roots:\ \ \ 5x^2-45=0$  

• (4, 0) , (-4, 0)

• (3, 0)

• (5, 0) , (-5, 0)

• (-3, 0) , (3, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ square\ roots:\ \ \ \frac{1}{2}x^2+3=75$  

• (6, 0) , (-6, 0)

• (6, 0)

• (9, 0) , (-9, 0)

• (12, 0) , (-12, 0)

Tags

CCSS.8.EE.A.2

 $Solve\ by\ square\ roots:\ \ \ 2x^2-22=28$  

• (-5, 0) , (5, 0)

• (50, 0) , (-50, 0)

• (10, 0) , (-10, 0)

• (4, 0) , (-4, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ 2x^2+17=11x+3$  

• (5, 0) , (2/3, 0)

• (8, 0) , (1/2, 0)

• (2, 0) , (7/2, 0)

• (4/3, 0) , (4, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ 25x+15=-6x^2+4$  

• (2/3, 0) , (4/3, 0)

• (5, 0) , (7, 0)

• (10, 0) , (5, 0)

• (-11/3, 0) , (-1/2, 0)

Tags

CCSS.HSA-REI.B.4B

 $Solve\ by\ factoring:\ \ \ x^2+x+53=4-13x$  

• (5, 0)

• (-11, 0)

• (-7, 0)

• (4, 0)

Tags

CCSS.HSA-REI.B.4B