Evaluating Expressions with Algebra Tiles

In the expression 3x + 5 + x² + y + 3x² + 2, how many x-tiles are used to represent the term '3x'?

• 1

• 2

• 3

• 4

When combining the constant terms in the expression 3x + 5 + x² + y + 3x² + 2, what is their sum?

• 5

• 2

• 7

• 3

How many x²-tiles are there after combining all like terms in the expression 3x + 5 + x² + y + 3x² + 2?

• 1

• 3

• 4

• 2

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What is the simplified form of the expression 3x + 5 + x² + y + 3x² + 2?

• 4x² + y + 3x + 7

• 3x² + 3x + y + 7

• 4x² + 3x + y + 5

• 7x² + 3x + y + 7