A private club was reduced by 42 members in 6 weeks. It’s size changed by the same number of members each week. What was the change in the club’s size each week?

Where m is the slope of the line and b is the y-intercept of the line, or the y-coordinate of the point at which the line crosses the y-axis. to write an equation in slope-intercept form, given a graph of that equation, pick two points on the line and use them to find the slope. this is the value of m in the equation.