Question

Find the equation of a line having slope $\frac{-1}{2}$ and $y-$ intercept $3$

Answer 1

Slope$=m=\frac{-1}{2}$

$y-$ intercept$=3$

Equation is $y=mx+c$

$y=\frac{-1}{2}x+3$

or $2y-x-6$

$x-2y+6=0$ is the required equation of the line.