PreAlg Linear Function worksheet

9.Which graph is this equation:

x=y-8

Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

10.Which graph is this equation:

y=3^x

Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

11.Which graph is this equation:
 $\frac{y}{x}=2$  
Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

12.Which graph is this equation:

3x - 2y = 14

Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

13.Which graph is this equation:

y=1-x

Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

14.Which graph is this equation:
 $y=\frac{x}{3}$  
Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

15.Which graph is this equation:

y=2x³-1

Is it a linear or non-linear function?

• linear

• non-linear

• 
• 

16.Which graph is this equation:
 $\frac{5}{x}=\frac{2}{y}$  
Is it a linear or non-linear function?

• non-linear

• linear

• 
• 

17.Is y = -2 a linear function?

Why or why not?

• Yes, linear function

• No, not a linear function

• It is a horizontal line and passes the vertical line test.

• It is a vertical line and does not pass the vertical line test.

18.Is x = 6 a linear function?

Why or why not?

• Yes, linear function

• No, not a linear function

• It is a horizontal line and passes the vertical line test

• It is a vertical line and passes the vertical line test