Question Function Find the slope Find the inverse Evaluate the derivative Load more m=−1 Evaluate r=220−aRewrite in slope-intercept form r=−a+220Solution m=−1 Show Solution Solve the equation a=−r+220 Evaluate r=220−aSwap the sides of the equation 220−a=rMove the constant to the right-hand side and change its sign −a=r−220Solution a=−r+220 Show Solution Graph