Answer:
y = -2x + 3
Step-by-step explanation:
To write the equation of a line using slope and a point, substitute m = -2 and (2,-1) into the point slope form of a line [tex]y - y_1 = m(x-x_1)[/tex].
[tex]y - -1 = -2(x-2)\\y + 1 = -2(x - 2)\\y + 1 = -2x + 4\\y = -2x + 3[/tex]
