So, we're going to write a slope-intercept form equation:
[tex]y-y_1=m(x-x_1)_{}[/tex]
For the point (4,2) and slope -2.
In this situation we have:
x1=4
y1=2
m=-2
So:
[tex]\begin{gathered} y-2=-2(x-4) \\ y-2=-2x_{}+8 \\ y=-2x+8+2 \\ y=-2x+10 \end{gathered}[/tex]
