Multiplying Polynomials Pre-Assessment

Which expression is equivalent to 5(3x+2)? (a)  

• 3x+10
• 15x+10
• 15x-10
• 3x-10

Which expression is equivalent to 2x (-2x - 3)?

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

• F

• G

• H

• J

Find the product of the following expression.

(2x + 7)(x + 9)

• 2x² + 63x + 16

• 2x² + 25x + 63

• 2x² + 79

• 2x² + 16x + 2

Simplify:
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Which expression is equivalent to (x - 2)(3x² + 2x - 4)

• 3x²- 4x + 8

• 3x³ + 4x² - 8x - 8

• 3x³- 4x²- 8x + 8

• 3x³- x²+ 8x + 8

Which expression is equivalent to

(3x - 5) ( 4x² - 2x - 3)

• 12x³ - 26x² - 25x + 15

• 12x³ - 20x² - 5x + 15

• 12x³ - 20x² - 6x + 15

• 12x³ - 26x² + x + 15

Which expression is equivalent to 5x(x + 3)(2x - 1)?

• 10x² + 25x - 15

• 10x³ +35x² + 15

• 10x³ - 20x²

• 10x³ + 25x² - 15x