8. y _ 2x _ 5: (8 ) (_1 ) ( _1)Graph equation. Plot at least five points for ea

8. y _ 2x _ 5: (8 ) (_1 ) ( _1)Graph equation. Plot at least five points for each equation.Use graph paper. 70. x _ 2y _ 6Dental services. The national cost C in billions of dollarsfor dental services can be modeled by the linear equationC = 2.85n + 30.52where n is the number of years since 1990 (Health CareFinancing Administration www.hcfa.gov).a) Find and interpret the C-intercept for the line.b) Find and interpret the n-intercept for the line.c) Graph the line for n ranging from 0 through 20.#42. Graph the line with the given point and slope.The line through ( 2 5) with slope 1Solve problem.52. Draw l1 through (_4 0) and (0 6). What is the slope of anyline parallel to l1? Draw l2 through the origin and parallel to l1.