You want to join the tennis team. you go to the sporting goods store with $100. if the tennis racket you want costs $80 and the tennis balls cost $4 per can how many cans of tennis balls can you buy

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.