Unit 8: Reassessment Tutorial

Unit 8: Reassessment Tutorial

You need to make a 70% or better before you are allowed to reassess! Type "done" in the private comments when you are ready.

Multiple Choice

Multiply the following polynomial.

(6x + 2)(3x + 4)

• 18x² + 30x + 8

• 9x² + 12x + 6

• 18x² + 16x + 8

• 9x² + 16x + 6

Multiple Choice

Multiply the following polynomial.

(2x + 4)(5x - 1)

• 10x² + 22x + 4

• 10x² + 18x + 4

• 10x² + 18x - 4

• 7x² + 22x + 3

Multiple Choice

Simplify the following.

(3x + 4y + 10z) - (4x - 6y - 2z)

• 7x - 2y + 8z

• -x + 10y + 12z

• x - 3y + 8z

• x - 10y - 12z

Multiple Choice

Find the perimeter of a rectangle whose width is 2a - 8b² and length is 4a² + 3b.

• 8a² - 16b² + 4a + 6b

• 4a² - 8b² + 2a + 3b

• 10a² -5b

• 8a² - 8b² + 2a + 6b

Multiple Choice

Find the missing side length of a triangle given the perimeter:

12m² + 6mn - 8n² .

• 18m² - 14n² + 9mn

• 6m² - 2n² + 3mn

• -6m² + 2n² - 3mn

• 16m² - 8n² + 9mn