There are three ways a line and a circle can be associated, ie the line cuts the circle at two distinct points, the line is a tangent to the circle or the line misses the circle. To work out which ...

Show the inequality \(y \textless 2\) on a number line. \(y\) is less than (<) 2, which means an open circle at 2 must be used. \(y\) is less than 2, so an arrow below the values of 2 must be ...