Modelling and Writing Expressions

Which expression is shown here?

• 3x + 2 + 2x + 6

• 3x + 2x + 2x + 6x

• 3 + 2 + 2 + 3

Look at the model. Which of the following algebraic expressions could it represent?

• 2x + 5 + 4x + 4

• 2x + 3 + 4x + 3

• 3x + 3x

• 2 + 4

Which expression is modeled?

• -3x - 6

• 3x + 6

• -6x + 3

• 3x - 6

Answer the question below. You might select more than one hotspot.

Answer the question below. You might select more than one hotspot.

Question 11

• 2x – 5

• 4x – 3

• 2x – 3

• 4x – 5

Look at the model. Which of the following algebraic expressions could it represent?

• 3x - 2 - 1 + 6

• 3x - 2 - 1 + 6x

• 3x - 2 - x + 6x

• 3x + 2x - x - 6

Which expression is modeled?

• -3x - 4

• -4x -3

• 3x - 4

• -3x + 4

Which expression is being modeled?

• -4x + 7

• 4x -7

• -4x -7

• -7x + 4

Which expression is represented?

• 3x + 3

• 3x -2

• -3x + 3

• -3x - 2