Question

3) Sketch a graph, labelling and scaling the axes, of the line y = 2x – 3.

Answer 1

y = 2x - 3

Put x = 0 and solve

y = 2(0) - 3

y = 3

We have a point (0, 3)

Put y = 0 and solve for x

0 = 2x - 3

2x = 3

x = 3/2

x = 1.5

The second point is (1.5, 0)

Below is the graph