Dependent and independent variables

Question 1

Ravi earns 7 for each hour of dog walking: e = 7h. How much does Ravi earn for 12 hours?

Answer 

Question 2

Which equation matches the table? x: 1, 2, 3, 4 → y: 2, 4, 6, 8

• A. y = x + 2
• B. y = 2x
• C. y = x + 3
• D. y = 3x

Question 3

Diego earns 5 for each hour of dog walking: e = 5h. How much does Diego earn for 13 hours?

Answer 

Question 4

Which equation matches the table? x: 1, 2, 3, 4 → y: 3, 6, 9, 12

• A. y = 3x
• B. y = x + 5
• C. y = x + 3
• D. y = 4x

Question 5

Amara earns 2 for each hour of dog walking: e = 2h. How much does Amara earn for 14 hours?

Answer 

Question 6

Which equation matches the table? x: 1, 2, 3, 4 → y: 8, 9, 10, 11

• A. y = x − 7
• B. y = 8x
• C. y = x + 7
• D. y = 7x

Question 7

Grace earns 6 for each hour of dog walking: e = 6h. How much does Grace earn for 8 hours?

Answer 

Question 8

Which equation matches the table? x: 1, 2, 3, 4 → y: 6, 7, 8, 9

• A. y = 6x
• B. y = x + 5
• C. y = x − 5
• D. y = 5x

Question 9

Elena earns 12 for each hour of dog walking: e = 12h. How much does Elena earn for 3 hours?

Answer 

Question 10

Which equation matches the table? x: 1, 2, 3, 4 → y: 7, 8, 9, 10

• A. y = 7x
• B. y = x − 6
• C. y = x + 6
• D. y = 6x

Question 11

Zara earns 6 for each hour of dog walking: e = 6h. How much does Zara earn for 9 hours?

Answer 

Question 12

Which equation matches the table? x: 1, 2, 3, 4 → y: 3, 4, 5, 6

• A. y = 3x
• B. y = 2x
• C. y = x + 2
• D. y = x − 2

Question 13

Isla earns 10 for each hour of dog walking: e = 10h. How much does Isla earn for 4 hours?

Answer 

Question 14

Which equation matches the table? x: 1, 2, 3, 4 → y: 3, 4, 5, 6

• A. y = x + 2
• B. y = 3x
• C. y = 2x
• D. y = x − 2

Question 15

Lucia earns 3 for each hour of dog walking: e = 3h. How much does Lucia earn for 8 hours?

Answer 

Question 16

Which equation matches the table? x: 1, 2, 3, 4 → y: 5, 6, 7, 8

• A. y = x − 4
• B. y = x + 4
• C. y = 5x
• D. y = 4x