A line passes through the points (1, 9) and (0, 6). What is its equation in slope-intercept form?

Answer 1

slope = (9-6)/(1-0) = 3

y=3x + b, solve for b by plugging in either point

6= -3(0) + b

b = 6

y=3x + 6 is the equation of the line through the 2 points in slope intercept form