Coordinate Geometry

What is the midpoint of (3, 5) and (5, 9)?

• (4, 7)

• (4, 6.5)

• (8, 14)

• (1, 2)

What is the gradient of the line between (-1, 4) and (2, 16)?

• 4

• -4

What is the distance between (-5, 3) and (1, -2)?

Find the distance between (2, 4) and (8, -2) as a fully simplified surd

• 3

• -5

• 3

• -5

Find the gradient between (4, a) and (7, 10a).

Give your answer in its simplest form.

• 3a

A line, L, passes through the points (3, 5) and (-2, 7).

Find the gradient a line that is perpendicular to L.