Algebra study guide part 2 - 6th grade plus

Which expression is equivalent to 5x - 2x + 8 + 12

• 5x + 15
• 4x + 5
• 3x + 20
• 2x + 10

• w + 3
• w + 6
• 2w + 6
• w + 4

1. Which expression is equivalent to 11x - 4x + 17 + 13?

• 11x + 13
• 7x + 17
• 7x + 30
• 5x + 20

1. Which expression is NOT equivalent to 36 - 9x?

• 9(4 - x)

• -9(x - 4)

• -9(-4 + x)

• -9(-4 - x)

1. Which expression is equivalent to 4(7 - a) - 15 + 11a

• 4(7 + a) - 4
• 7a + 13
• 8a - 2
• 3a + 5

1. Factor the expression -15x + 10y + 20. Be sure to use the greatest common factor.

• 5(-3x + 2y + 4)
• 5(-3x + 2y - 4)
• -5(3x - 2y + 4)
• -5(3x + 2y - 4)

Which expressioin is equivalent to 5x - (2x + 8) + 10

• 2x + 18
• 5x - 8
• 3x + 8
• 3x + 2

 What is the perimeter of the rectangle shown below?

• 8x + 16
• 12x + 22
• 6x + 12
• 10x + 20

1. Find the perimeter of the shape below.

• 12x + 14

• 12x + 12

• 12x - 12

• 12x