Linear Functions, Non-Linear Functions, and Not a Function

• Function
• Not a Function

• Function
• Not a Function

Is the table pictures a linear relationship? Why or Why not?

• Yes, it has a constant change

• Yes, it does not have different rates of change

• No, it has constant rate of change

• No, it does not have a constant rate of change

Is the table pictured a linear relationship? Why or Why not

• Yes, it has a constant change

• Yes, it does not have different rates of change

• No, it has constant rate of change

• No, it does not have a constant rate of change

Write 2x+y=24 in slope-intercept form.

• y = 2x-24

• y = -2x+24

• y = 1/2 x + 24

• y = -1/2 x + 24 

Which is it? 
x² + y² =25

• Linear

• Non-linear

Which is it? 
y² + 7x = 1

• Linear

• Non-linear

• Function
• Not a Function

• Function
• Not a Function

Would x = 7 be considered a function even though it graphs a line?

• Yes.

• No.