Linear Graph

A line has an equation of y = - 3x + 8. What is the y-intercept of the line? Please enter your answer as a coordinate (x, y).

• (0, -3)

• (0, 3)

• (0, -8)

• (0, 8)

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

• y-intercept

• gradient

• x-coordinate

• y-coordinate

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

• y-intercept

• x-coordinate

• x-intercept

• gradient

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

• -5

• -10

• 5x

• 10

(a)  

• F

• G

• H

• J

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

• y = 3 - 6

• y = 3x - 6

• y = 3x + 6

• y = 6x + 3

Write the equation for this graph? 

• y = - 10x + 60

• y = - 5x + 60

• y = - ¹/₂ x + 60

• y = - x + 60

Write the equation of a line where the gradient is 0 and the y-intercept is 8.

• y = 8x

• x = 8

• y = 8

• y = x + 8

Write the equation of the line.

• y = ³/₅ x + 1

• y = ³/₅ x - 1

• y = ⁵/₃ x + 1

• y = ¹/₂ x - 1

Is this graph linear or nonlinear?

• Linear

• nonlinear