A line has a slope of -3/7 and its y-intercept is (0,13). What is its x-intercept?
We have the equation
y = (-3/7)x + 13
To find the x intercept , set y = 0 and solve for x
0 = (-3/7)x + 13
-13 = (-3/7) x
(-13) /( -3/7) = x
13 * 7 / 3 = x
91/3 = x intercept