pair of parametric equations is given. x= t, y=8-t (a) Sketch the curve represented by the parametric equations. y 15 10 5 y 15 15 10 10 5 -15 -10 -5 5 10 15 -15 -10 -5 5 5 10 15 -5 -10 -15 WebAssign Plot y 15 10 5 -15 -10 -5 5 10 15 -5 -10 -15 X -10 -15 y 15 10 10 5 -15 -10 -5 5 -5 (b) Find a rectangular-coordinate equation for the curve by eliminating the parameter. where (x > -10 -15 10 15 x