Solving Quadratics by Factoring When a Is Not One

Factor
k² - 2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

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

What are the values of x when y = 0?

• { -3, 1 }

• { -2 }

• { -3, -1 }

• { 1, 3 }

Solve for a by factoring.

a² + 2a - 24 = 0

• a = -6 and a = 4

• a = 6 and a = -4

• a = 12 and a = -2

• a = 8 and a = -3

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

Solve using Factoring:

• -3, 4

• -4, 3

• -4, -3

• 3, 4

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

A new high school gym is painting the gym floor to represents the boundaries of a volleyball court. The court is shaped like a rectangle and has an area of 162 meters. The length of the court is 9 meters greater than the width. The situation can be represented by the equation w2 + 9w- 162 = 0. What is the width of the volleyball court in meters? Enter your answer in the space provided.

Mathematical Equivalence

ON

Tags

A.8A