A line has a slope of (-3/7)and its -intercept is (0,18). What is its -intercept?
y = -3/7 x + 18 would be the equation of the line y intercept is where x = 0 at 0,18
x intercept occurs where y = 0
0 = -3/7x +18
18 = 3/7 x x = 18 (7/3) = 42 the x intercept is 42,0