More on Factoring and Solving

r² - 6r + 5 = 0

• r = 5 and 1
• r = 5 and -1
• r = -5 and 1
• r = -5 and -1

Tags

CCSS.HSA-REI.B.4B

Solve the trinomial:

2x²+2x-4=0

• -1,2

• -1,-2

• 1,2

• 1,-2

Tags

CCSS.HSA-REI.B.4B

Solve the trinomial:

12x²-12x - 24 = 0

• -1,2

• 1,2

• 1,-2

• -1,-2

Tags

CCSS.HSA-REI.B.4B

m²-10m=0

• m=0 and m=-10
• m=1 and m=10
• m=0 and m=10
• m=1 and m=-10

Tags

CCSS.HSA-REI.B.4B

8r²-24r=0

• r=0 and r=3
• r=8 and r=3
• r=0 and r=-3
• r=1 and r=3

Tags

CCSS.HSA-REI.B.4B

b²+25b=0

• b= 0 and b = 25

• b= 0 and b= -25

• b= -5 and b= 5

• b=5 an b=-2.5

Tags

CCSS.HSA-REI.B.4B

30r²+15r=0

• r=15 and r=2
• r=-15 and r=1/2
• r=0 and r=1/2
• r=0 and r=2

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve

a² - 9 = 0

• a = -1, 9

• a = 1, -9

• a = 3, -3

• a = 0, 9

Tags

CCSS.8.EE.A.2