To find the equation of a circle when you know the radius and centre, use the formula \({(x - a)^2} + {(y - b)^2} = {r^2}\), where \((a,b)\) represents the centre of the circle, and \(r\) is the ...

It begins by reviewing statistical graphs and then explains the relationship between variables such as distance and time through equations. The film demonstrates how to plot ordered pairs on ...

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!