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Question

Use the graphical method to find the value of k, if (k,3) lies on the straight line 2x+3y=1

A
8
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B
5
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C
3
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D
9
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Solution

The correct option is B 5

(k,3) lies on the straight line 2x+3y=1
then it must satisfy the above equation, therefore,
From the graph if y=3
then x=5

241232_174660_ans_61e90d1ac82b4ab4b12fa16513ffe471.png

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