Can you find sets of sloping lines that enclose a square?
How does the position of the line affect the equation of the line?
What can you say about the equations of parallel lines?
Position the lines so that they are perpendicular to each other.
What can you say about the equations of perpendicular lines?
Freida from Little Chalfont Primary
School and Richard from Wilson's School found one way of starting
at $y = 4x + 7$ and ending at $y = 4x-2$:
Sophie, Evie and Sinthu from Dr Challoner's
High School also started with the same two reflections but then
switched the translations and still ended at $y = 4x-2$:
Keira, Christina and Amy, also from Dr
Challoner's High School, explained why they also started with a
pair of reflections:
Jack from Hertford South Primary drew a table of all the
possibilities and explains: