Introduction to functions
Function notation
Range and domain - part 1
Range and domain - part 2
Range and domain - part 3
Odd and even functions
Direct variation - part 1
Direct variation - part 2
Finding the gradient of a line
The gradient of a line that passes two points
Gradient intercept form
Finding the gradient of a linear function
Finding a linear equation
Equation of a parallel line
Equation of perpendicular lines
Graphing linear functions using x and y-intercepts
Graphing horizontal and vertical lines
Linear models