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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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Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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