PreTest - FOIL

(x - 9)(x - 7)

• x² - 2x - 63
• x² - 16x - 63
• x² - 2x + 63
• x² - 16x + 63

(x + 5)(x - 4)

• x² + 9x + 20
• x² + 9x - 20
• x² + 1x - 20
• x² - 1x - 20

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

(x - 7)(x + 7)

• x² + 7x - 49
• x² - 7x + 49
• x² - 49
• x² + 49

(x + 5)² 

Hint: take (x + 5) times (x + 5)

• x² + 25
• x² + 10x + 25
• x² + 10 x + 10
• x² + 10

Mult (3x + 1)(2x + 5)

• 6x² + 17 + 5
• 6x + 17x + 5
• 6x² + 17x + 5
• 6x² + 17 + 5x

Tags

CCSS.HSA.APR.A.1

What does the F in FOIL stand for?

• Fire
• First
• Friends
• Frappachino

Mult (6x + 3)(x + 2)

• 5x² + 15x + 6
• 6x² + 15x + 5
• 6x² + 12x + 6
• 6x² + 15x + 6

What does the L in FOIL stand for?

• Least
• Lark
• Last
• Lyrical

(2x + 3)(2x + 3)

• 4x² + 9
• 6x² + 12x + 9
• 4x² + 6x + 9
• 4x² + 12x + 9

(x - 5)(x + 1)

• x^2 - 4x - 5
• x^2 + 6x - 5
• x^2 - 5x - 4
• x^2 - 4x - 4

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3