As a tangent is a straight line it is described by an equation in the form \(y - b = m(x - a)\). You need both a point and the gradient to find its equation. You are usually given the point - it's ...

You can also plot graphs for trigonometric equations (equations that use sine, cosine, and tan, etc.), establish graphs for linear and quadratic inequalities, and even plot graphs for various ...

exponential graphs - Higher, The equation of a circle - Higher,the equation of the tangent to a circle - Higher and sketching graphs. If you struggled with the quiz, don't panic - we've got you!