Multiple Representations of Linear Relationships

Derrick started a new job at McDonald's. He makes $10 per hour. Which table models his total weekly earnings in terms of the number of hours he works?

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Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which equation models the amount she charges over time?

Which table corresponds to the equation?

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Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What does the slope mean in this situation?

• The initial cost of the cell phone was $200.

• The initial cost of the cell phone was $300.

• The monthly plan costs $50 per month.

• The monthly plan costs $100 per month.

Which equation matches the table?

• y = 3x + 9
• y = x + 9 
• y = x + 3
• y = 12x - 3

Is the graph proportional or non proportional?

• Proportional

• Non-proportional

Is the graph proportional or non-proportional?

• Proportional
• Non-Proportional

Is the following equation a proportional relationship?
y = -3x+4

• Yes, because there is a +4
• No, because there is a +4

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional