Graphical Method of Finding Solution of a Pair of Linear Equations
Draw the grap...
Question
Draw the graph of 2x+3y=12.
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Solution
First, we rewrite the equation 2x+3y=12 in the form of y=mx+c. 2x+3y=12 implies y=−23x+4 Substituting x=−3,0,3 in the above equation, we find the values of y as follows
y=−23x+4
x
−3
0
3
−23x
2
0
−2
y=−23x+4
6
4
2
Plot the points (−3,6),(0,4) and (3,2) and draw a line passing through these points. Now we get the required graph.