Group 1 HBL (1 Apr 2025)

A line has a gradient of 2 and passes through (0, 5).

Write down its equation.

A line has a gradient of -3 and passes through (1, 4).

Write down its equation.

A line has a gradient of 4 and passes through (-2, 5).

Write down its equation.

Calculate the gradient of the line passing through (1, 3) and (3, 1).

Calculate the gradient of the line passing through (-1, 3) and (3, 4).

Calculate the gradient of the line passing through (-2, 3) and (-2, 11).

Find the length of AB.

Find the length of CD.