Question

write an equation of a line whose slope is -3 and whose y-intercept is 12

Answer 1

Equation of a line is represented below

$\begin{gathered} y=mx+c \\ \text{where} \\ m=\text{slope}=-3 \\ \\ c=y-\text{intercept}=12 \\ \text{Therefore,} \\ y=-3x+12 \end{gathered}$