Linear Relationships Multiple Representations

Derrick started a new job at McDonald's. He makes $10 per hour. Which function models his total weekly earnings (W) in terms of the number of hours he works (t)?

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

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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?

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

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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 table models the amount she charges over time?

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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 number corresponds to the rate of change (slope)?

• 20

• 30

What equation matches this situation?

A 12 inch candle burns at a rate of 1.5 inches per hour.

• y = -1.5x + 12

• y = -1.5x

• y = 1.5x - 12

• y = 12x

Which description is best represented by the equation shown below?

y = 7.5x - 3

• Marissa ran 7 1/2 miles in 3 hours. How many miles did Marissa run per hour?

• Anthony paid $7.50 an hour to skate for 3 hours. What was Anthony's total cost?

• Kelsie earns $3 an hour walking Mrs. Tan's dog. She walks the dog 7 1.2 hours each week. How much did Kelsie earn last week?

• Benji spent $3 on art supplies. He sells paintings for $7.50 each. What is Benji's profit?

Randy charges his tenants $425 each month to rent his houses plus $600 security deposit. What equation best represents how much his tenants will now have to pay? 

• y = 425x + 600
• y = 425 + 600x
• y = 400x + 625
• y = 400 + 625x