Algebra CPM Chapter 10

What do we call these math tools?

• Fred, Bob, George, and Annie

• Algebra Tiles

• Integer Tiles

• "Late for dinner!"

What is the area of this figure?

• x² + 2x + 8

• x² + 6x + 2

• x² + 2x + 2

• 4x + 2

What is the perimeter of this figure?

• 4x + 6

• 4x + 8

• 6x + 6

• 6x + 10

Simplify the following expression by combining like terms:

2x + 5 + x² + 1 + 1 + 3x²

• 4x² + 7x + 2x + 9

• 3x² + 5x + 2

• 12

• 4x² +2x + 7

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Simplify the expression by combining like terms:

3 + 5 + 2x + 3x + 2

• 6

• 5x + 10

• 10x + 8

• 5x - 2

Rewrite the expression 4(3x + 1) without parentheses [think "four groups of (3x + 1)"].

• 12x + 1

• 12x + 4

• 7x + 4

• 7x + 1

Rewrite the expression 2(2x + 5) without parentheses [think "two groups of (2x + 5)"]. This is the Distributive Property.

• 4x + 10

• 4x + 5

• 2(2x + 5)

• 4(x + 2)

Simplify: 10 - 2(3+1)

• 5.5

• 5

• 32

• 2