Consider the points A, B and C: A(-3,3), B(3,?), C(-1,3).
Calculate the distances between the points and classify the triangle ABC.
Find the midpoint M of the line segment [BC].
Use gradients to show that [AM] and [BC] are perpendicular.
What would be the gradient of a line perpendicular to [AC]?
Determine which line segment (AB), (BC), or (AC) belongs to the following equation: y = mx + 2.