SPM Math - How to draw a straight line in graph function

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Maybe a lot of students have the same problem like how to draw a straight line in graph function topic, especially at paper 2. So I made this video just to show you a simple way of doing it. Hope you will like it
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Given an equation of a straight line, any 2 sets of values of x and corresponding values of y can draw the straight line.

ClaireLeeXR
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The table in the question gives the incorrect value of y for x=4, the value of y should be -30 not 30. We can also draw the graph of the straight line from the values in the table.

ClaireLeeXR
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hello sir can you make some video on cubic graphs for IGCSE syllabus

kevinmotsemme
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Hi sir,
may I know what are the software u used?

Leonyau-nq
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I thought you can put any numbers that you like and still can find out the straight line on that part right

eden
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Why the second equation cannot -first equation?

meekuenchan
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