Use the graphical method to find the value of $k$ , if $(5, k - 2)$ lies on the straight line $x - 2 y + 1 = 0$

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Solution

The correct option is B $5$

$(5, k - 2)$ lies on the straight line $x - 2 y + 1 = 0$
So, from the graph, if $x = 5$
the $y = 3 = k - 2$
$3 = k - 2$
$k = 5$

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