Graph of linear function

What does "m" represent in
y = mx + c?

• y-intercept
• gradient
• x-coordinate
• y-coordinate

What is the gradient in the picture?

• Positive
• Negative
• Zero
• Undefined

A line has an equation of y = - 5x - 10.  What is the gradient of the line?

• -5
• -10
• 5x
• 10

What does "c" represent in
y = mx + c?

• y-intercept
• x-coordinate
• x-intercept
• gradient

If m=3 and c=6, what is the correct equation?

• y = 3 - 6
• y = 3x - 6
• y = 3x + 6
• y = 6x + 3

Look at the graph.  Write down the equation for the line.

• y = - x + 3
• y = 4x + 3
• y = ¹/₄ x + 3
• y = - 4x + 3

Write the equation for this graph? 

• y = - 10x + 60
• y = - 5x + 60
• y = - ¹/₂ x + 60
• y = - x + 60

Is this graph linear?

• Linear

• Nonlinear

Which equation matches the table?

• y=x+1

• y=4x+3

• y=2x

• y=2x+1

Which equation matches the table?

• y=x

• y=2x

• y=x+1

• y=3x+1