Solving Polynomial Equations GCF Intro

Guided Practice (10 Points)

Solve The Equation.

Tags

CCSS.HSA-REI.B.4B

Factor by using GCF: (5 points)

8n³ + 2n²

• 2n²(4n-1)

• 2n²(4n + 1)

• n²(8n+2)

• 3n(4n+1)

Key Idea

​ (a)   - Product Property

Algebra: If a and b are ​ (b)   and ​ (c)   , then ​ (d)   or ​ (e)   .

• Zero
• real numbers
• ab = 0
• a = 0
• b=0

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

• Plug in zero for x

• Solve for x

• FOIL

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

What are two solutions to the polynomial:
x²+14x=0

• x=0, x= 14
• x=-14
• x= 1, x =10
• x= -14, x = 0 

Tags

CCSS.HSA-REI.B.4B

Solve: 14m²-12m = 0

• m=2 and m=76

• m=2 and m=0

• m=14 and m=12

• m=0 and m=6/7

Tags

CCSS.HSA-REI.B.4B