Understanding linear functions

Which of the following graphs represents a linear function? a) Parabola b) Straight line c) Sine curve

• c

• b

• a

• d

• Proportional

• Non-Proportional

Which show a linear function? Select 2.

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• 
• 
• 

Is this function linear or nonlinear?

• linear

• nonlinear

y=62x

• linear

• nonlinear

Determine if the relationship shown is linear or nonlinear.

• Linear

• Non-linear

Is it linear or nonlinear?

• Its nonlinear

• Its linear

Which of the following are linear?

• 
• 
• 
• 

Is the graph linear or nonlinear?

• It's nonlinear because the line is red.

• It's nonlinear because it goes both up and down.

• It's nonlinear because it's a U shape.

• It's nonlinear because it's not a straight line.

Is the representation linear or non-linear? 

• Linear
• Non-Linear