Modeling Expressions and Equations

Solve for x

• x = 4

• x = 1

• 2x = 4

• x = 2

• A
• B

• A
• B

• A
• B

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

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

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

• -3 + 3x + 6 + 4x

• -3 + 3x + 6 - 4x

• -3 + 3x + 6x - 4x

• -3 + 2x + 6 + 4

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

Which algebraic EXPRESSION represents the Expression Mat above?

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