Straight Line Graphs
This lesson can be used for revision for the higher Maths GCSE. The examples are quick and concise with exam style questions, go to GCSE Maths if you need more in-depth explanations.
How to answer straight line graph questions in the GCSE exam?
Example 1:
(a) Complete the table of values for y = 2x + 5
(b) On the grid, draw the graph of y = 2x + 5 for the values from x = -2 to x = 2
Example 2:
(a) Complete the table of values for y = 2x - 3
(b) On the grid, draw the graph of y = 2x - 3
(c) Use your graph to find
(i) the value of y when x = -1.5
(ii) the value of x when y = 6
Example 3:
On the grid, draw the graph of y = 3x - 2 for the values of x from -1 to 3
Example 4:
On the grid, draw the graph of y = 3 - 2x for the values of x from -2 to 4
Example 5:
On the grid, draw the graph of y = 1/2 x + 3 for the values of x from -2 to 4
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