Then work through the page and see if you can beat your score. Parallel lines are the same distance apart from each other all the way along their length. Even if the lines are made longer ...

Lines which are parallel have the same gradient. For example, \(\text{y = 2x + 1}\) and \(\text{y = 2x - 2}\) will be parallel because they both have a gradient of 2. We want to determine if the ...