Algebra
posted by joshua on .
Write an equation in slope intercept form of the line that passes through (4, 1) and (5, 1).

(4, 1), (5, 1).
m = (1  1) / (5  4) = 2 / 1 = 2.
Y = mX + b.
Y = 2*4 + b = 1,
8 + b = 1,
b = 1+ 8 = 9.
Eq: Y = 2X + 9.