A 8.4 FOIL special cases

BOX 3:

What is (2x + 6)²

• 2x² + 24x + 12

• 4x² + 24x + 36

• 2x² + 24x +36

• 4x² + 36

BOX 4: Multiply the binomials.

(x + 8)(x - 8)

• x² + 8x + 64

• x² + 64

• x² - 64

• x² + 16x - 64

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.C.5

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

BOX 5: Multiply the binomials

(3x + 5)(3x - 5)

• 9x² + 25

• 9x² - 25

• 3x² - 25

• 3x² + 30x - 25

BOX 7: Multiply

(4x + 9)(4x - 9)

• 4x² - 36

• 16x² - 81

• 4x² + 36x - 81

• 8x² - 81

BOX 9: CHALLENGE PROBLEM

Simplify: (3x + 4y)²

• 9x² + 24xy + 16y²

• 9x² + 16y²

• x² - y²

• PIE DAY IS COMING SOON... YAY!!!

(3x - 4) (3x - 4)

• 9x² -24 x + 16
• 9x² -12 x + 16
• 12x² -12 x + 12
• 12x² -7x + 12

(x + 5)²

• x² + 10x + 25
• x² + 5x + 25
• x² + 6x - 10
• x² _6x + 25

Tags

CCSS.HSA.APR.C.4

(x - 3 ) (x + 3)

• x² - 6x + 9
• x² - 9x + 6
• x² - 12x - 6
• x² - 9

Tags

CCSS.HSA.APR.A.1

(x + 5) (x - 5)

• x² -10x + 25
• x² - 25x - 25 
• x² - 50x + 25
• x² - 25

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

(6y - 7) (6y + 7)

• 36y² - y - 49
• 36y² - 42y - 49
• 36y² + 84y - 49
• 36y² - 49