Linear Graph Functions

^{What is the x- intercept of the line?}

• (0,-2)

• (0,-1)

• (-1,0)

• (-2,0)

Does this mapping diagram represent a function?

• No, because there are repeating input values

• Yes, because there are no repeating input values

Find the gradient

• -5/3

• -3/5

• 5/3

• 3/5

Find the gradient

• -3/4

• 4/3

• 3/4

• -4/3

How do you calculate gradient using a graph?

• rise over run

• run over rise

• look at the y intercept

• look at the x intercept

What is the gradient in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined

What is the equation of the line?

• y=3x

• y=3

• x=3

• y=-3

Which graph best represents the equation y = -3x + 4?

• 
• 
• 
• 

What is the slope of this line?

• -4/5, down 4 right 5

• 4/5, up 4 right 5

• -5/4, down 5 right 4

• 5/4, up 5 right 4

What is the y intercept of this line?

• 2

• -2

• 3

• -3