Question

find the equation of the line thst passes through the points (4,5) and has a slope of -2

Answer 1

\(\large {slope=m=-2\qquad \qquad
\begin{array}{lllll}
&x_1&y_1\\
&(4\quad ,&5)
\end{array}
\\\quad \\
y-y_1=m(x-x_1)}\)

Answer 2

just sub your stuff into the formula...
y - 5 = -2(x - 4)
can you finish from here ?

Answer 3

first distribute through the parenthesis and what do you get ?