Equivalent Expressions

If someone gave the expression 2(2X²+3X) for these tiles, what would be an equivalent expression?

• 2(2X+3)

• (2X²+3X)+(2X²+3X)

• 4x²+3X

• 2(4X²+6X)

Which expression is represented in the algebra tiles?

• 6

• -6

• 6x

• 3x + 4x

Green tiles represent x and yellow tiles represent 1. Simplify.

• 5x + 6

• 11x

• 11

• 6 - 5x

Green tiles represent x and yellow tiles represent 1. Simplify.

• 5 + 3x

• 8x

• 8

• 3x + 5x

Green tiles represent x and yellow tiles represent 1. Which expression is shown here?

• 3x + 2 + 2x + 6

• 3x + 2x + 2x + 6x

• 3 + 2 + 2 + 3

• 5x + 8

Green tiles represent x and yellow tiles represent 1. Simplify.

• 10 + 6x

• 6x + 10x

• 16x

• 8x + 3

What expression represents this group of tiles?

• 2x + 4

• x + x + 1 + 1

• 2x +1

• x + 4

Look at the model. Which of the following algebraic expressions could it represent? Green represents x and yellows represent 1.

• 2x + 1 + 5 + 2x

• 2 + 1x + 4x + 2

• 2 + 1 + 4 + 2

• 2 + x + 4 + 2x

Look at the model. Simplify the expression it represents by adding like terms. Green represents x and yellows represent 1.

• 6x + 3x

• 3x + 5

• 3x + 6

• 2x + 1

Simplify the expression: 4x + 3x

• 7x

• 7x²

• 12x

• 14x