Solve by Factoring

Solve

x² - 9x + 20 = 0

x=​ ​ ​ (a)   ,​ ​ (b)  

• -5
• -4
• 4
• 5

Tags

CCSS.HSA-REI.B.4B

Match the equation to the solutions.

• x = -3 and x = 6

• x = 9 and x = 2

• x = 2 and x = 5

• x = 5 and x = -6

• x = 5 and x = 4

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

Tags

CCSS.HSA-REI.B.4B

A ​ (a)   is a positive ​ (b)   that ​ (c)   a number evenly, leaving no ​ (d)  

• factor
• integer
• divides
• remainder.
• subtract
• number
• multiply
• extra
• positive

Tags

CCSS.HSA.APR.B.2

Solve for x by factoring.
x² -8x +12=0

• x=-6, -2

• x=-2, 6

• x=2, 6

• x=-6, 2

Tags

CCSS.HSA-REI.B.4B

e

f

g

h

d

c

b

a

x

11x

4x

+

11

44

4

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Tags

CCSS.8.EE.A.2

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B