Step 8 Objective
Given values for m and c, find the gradient of lines given by equations of the form y = mx + c.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Examples of what pupils should know and be able to do
Without drawing the graphs, compare and contrast features of graphs such as:
y = 3x, y = 3x + 4, y = x + 4
y = x – 2, y = 3x – 2 and y = –3x + 4.