A line has a slope of -3/7 and its y-intercept is (0,15). What is its x-intercept?
The equation is
y = (-3/7)x + 15
To find the x intercept set y = 0 and solve for x
0 = (-3/7)x + 15
-15 = (-3/7)x
x = -15 ( -7/3) = 35 = x intercept
