An equation is a formula containing one or more variables. Types include: straight line, algebraic, simultaneous and equations that require you to change the subject of a formula.
Calculate the gradient, leaving your answer as a fraction, fully simplified.
Use the diagram to calculate the gradient as a decimal, correct to 1 decimal place.
Which of the following roads is the steepest?
Where does the line cut the y-axis?
What is the equation of the straight line, which passes through the point (0, -7) and has a gradient of 4, in the form .
Calculate the gradient of the line below.
Find the equation of the line below.
Solve the following equation.
I think of a number, double it and add 1. The answer is 33.
Write down an equation to represent this information.
Solve the following inequation.
Given the equation , change the subject of the formula to D.
Given the equation, , change the subject of the formula to r.