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Question

If (2,2) lies on 4x+5y=k, the value of k = ______.

A
14
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B
16
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C
17
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D
18
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Solution

The correct option is D 18
If the point (2,2) lies on the given linear equation, then it must satisfy the equation.

Putting the value of x and y in the equation we get:

4(2)+5(2)=k

k=18

Thus, the value of k is 18.

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