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## Countdown to Exams - Day 48 - Midpoints, Parallel lines and Perpendicular lines

In today's blog, we take a look at Midpoints, Parallel lines and Perpendicular lines. We take a look at finding the midpoint between two coordinate points by taking the average of the x values and an average of the y values. We then take a look at parallel lines (two or more lines that always remain the same distance apart) and establish that parallel lines share the same gradient but will have a different y-intercept.

Finally, we finish off with perpendicular lines (two lines intersect to create a right angle) and establish that the gradients of perpendicular lines are negative reciprocals of each other (their products = -1)

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