The equation of a line is x - y = 4. Find its slope and y-intercept. Also, find its inclination.
Given equation of a line is x - y = 4
y = x - 4
Comparing this equation with y = mx + c. We have:
Slope = m = 1
y-intercept = c = -4
Let the inclination be .
Slope = 1 = tan = tan 45o