Equivalent Expressions with Algebra Tiles

Which side represents the factor (x-1)?

• top

• left

If the area of the rectangle is x² - 5x + 6, which expression represents L x W, given W =(x-2)?

• (x+3)(x+2)

• (x-3)(x-2)

• (x-6)(x-2)

• (x-3)(x-1)

Which of the following expressions are equivalent and represent the tiles below?

• 2a + b

• 8a + 4b

• 4(2a + b)

• 8(a + b)

Which of the following expressions are equivalent and represent the tiles below?

• 5y + 5

• 5y +10

• 5(y + 1)

• 5(y + 2)

Mathematical Equivalence

ON

Write the expression that is represented with the given algebra tiles.

Write the simplified algebraic expression for the given algebraic tiles.

What is the simplified expression for the diagram shown?

Determine if the two expressions are equal and explain your answer. The two expressions are ​ (a)   because when you simplify 5x - 4 - x + 2, you get (b)   .

• 4x - 2

• 5x - 2

• x+2

• equal

• not equal