Squared Binomials

Multiply:

(a + b)²

• a² + 2ab + b²

• a² + 2ab + 2b

• a² + 4a + b²

• a² + 2a + b²

Expand the squared binomial.
(x - 5)²?

• x² + 25

• x² - 25

• x² - 10x - 25

• x² - 10x + 25

Simplify the following expression:
(4x - 1)(4x + 1)

• 16x² + 8x - 1

• 8x² + 8x

• 8x² - 1

• 16x² - 1

Which of the following is equivalent to (x + 10)²

• x² + 10x + 10x + 100

• x² + 20x + 100

• (x + 10)(x + 10)

• All of the above.

Which of the following is equivalent to 
(x + 4)²

• x² + 8x + 16

• x² + 4x + 4x + 16

• (x + 4)(x + 4)

• All choices are equivalent

Simplify
(p − 8)²

 Hint: (p − 8)² = (p − 8)(p − 8)

• p ² − 16p − 64 

• p ² + 16p + 64 

• p ² − 16p − 8

• p ² − 16p + 64 

Simplify the expression.
(3x + 2)(x + 1)

• 3x² + 5x + 2

• 3x² + 3x + 3

• 3x² + 5x + 3

• 3x² + 3x + 2

The length of a square is x + 2 units.  Find the area.

• 4x + 8 units squared

• x² + 4x + 4 units squared

• x² + 4 units squared

• Not enough information

Find the product:
(3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5