Question

Identify the equation in slope-intercept form for the line that has the given slope and contains the given point. Slope = −1/2; (4, −5)

Answer 1

first you need the equation y=mx+b
you plug in x and y do find b the y intercept
-5 = -1/2*4 +b
-5 = -2 + b
b = -3 
y = -1/2x-3