In Exercises 5-8, let L be the line determined by points A and B. (a) Plot A and B. (b) Find the slope of L. (c) Draw the graph of L.5. A(1.-2). B( 2, 1 )In Exercises 9-12, you are given a point P on a line with slope m. Find the y-coordinate of the point with the given x-coordinate. 9. P(3, 5) m1 =2 x =45In Exercises 25-28, find the (a) slope and (b) y-intercept, and (c) graph the line. In Exercises 29-32, write an equation for the line through P that is (a) parallel to L, and (b) perpendicular to L. 41. Parallel and Perpendicular Lines For what value of k are the two lines 2r + ky = 3 and x + y = 1 (a) parallel? (b) perpendicular?44. Modeling Distance Traveled A car starts from point P at time / = 0 and travels at 45 mph. (a) Write an expression d( r) for the distance the car travels from P. (b) Graph y = d(1). (c) What is the slope of the graph in (b)? What does it have to do with the car? (d) Writing to Learn Create a scenario in which / could have negative values. (e) Writing to Learn Create a scenario in which the y-intercept of y = d(r) could be 30