A line has a slope of -3/17 and its y-intercept is (0,18) . What is its x-intercept?
y=-3/17x+18
0=-3/17x+18
-18=-3/17x
-18*-17/3=x
x=6*17
x=102
point slope form of the line is (y-18) = -3/17 (x) sub in 0 for y
-18 = - 3/17 x
x = 17/3 * 18 = 102
