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?
Jiwon Jung noticed:
You can tell it's translated because the gradient hasn't
changed, and the pairs of lines are parallel.
Ellie from Chiswick expanded and gave