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Find the value of $m$ and $c$ if the straight line passes through the point $A(2,3)$ and $B(1,6)$.

$\begin{array}{1 1}(a)\;m=3,c=-9&(b)\;m=-3,c=9\\(c)\;m=4,c=8&(d)\;m=2,c=4\end{array}$

1 Answer

Equation of line passing through the points $(x_2,y_2)$ & $(x_1,y_1)$ is
Hence equation of line will be
Hence $m=-3,c=9$
Hence (b) is the correct answer.
answered Feb 4, 2014 by sreemathi.v

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