Multiple Representations

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?

Tags

CCSS.HSF.LE.B.5

A submarine started the day at sea level and then descended at a rate of 1,200 feet per hour. The equation y = -1200x can be used to determine the depth of the submarine.

Which table contains a set of values that correspond to the equation?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Ryan builds 4 picnic tables each day. He started the week with 2 tables. Which equation best represents t, the total number of tables he will have after d days?

• t = 2d + 4

• d = 4t + 2

• t = 2d + 2d

• t= 4d + 2

Tags

CCSS.HSF-BF.A.1A

Which function has the smallest y-intercept?

• $y=50+2x$

• $y=75+x$

• $y=3x$

• $y=6-5x$

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The graph compares the number of people at a party and the number of slices of pizza ordered. Which statement is true?

• The number of people at the party depends on the number of pieces of pizza ordered.

• The number of pieces of pizza ordered depends on the number of people at the party

• The number of people at the party is the dependent variable.

• The number of pieces of pizza ordered is independent of the number of people at the party.

Tags

CCSS.6.EE.B.6

Which table corresponds to the equation?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which table represents the graph?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

Which equation represents the table?

• 
• 
• 
• 

Tags

CCSS.6.EE.C.9

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)?

•  $W\left(t\right)=10+t$  

•  $t\left(W\right)=10+t$  

•  $W\left(t\right)=10t$  

•  $t\left(W\right)=10W$  

Tags

CCSS.HSF-BF.A.1A

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?

• $y=50x$

• $y=20x+30$

• $y=30x+20$

• $20x+30y$

Tags

CCSS.6.EE.C.9