Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e., linear equations have no exponents on their variables. The graph of a ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...