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Question

The linear equation, such that each point on its graph has an ordinate 3 times its abscissa is y=mx. Then the value of m is

A
73
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B
3
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C
4
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D
1
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Solution

The correct option is D 3
From the given information, we know
abscissa =x co ordinate
ordinate =y co ordinate
It is given y=3x
Substituting in the equation y=mx, we get
3x=mx
Thus m=3

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