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Find the parametric equation of the equation below: r+2 #-1 Ox = -2- 7t y = 1+ 3t O [x,y] = [2,-1] + ([7,-3] Ox = 2+7t y = -1 - 3t O [x,y] = [-2,1] + ([-7,3] Question 8 (1 point) Listen The parametric equation for the y-axis is: Oy=t 2 = 1 Ox=t y =0 Z= 1 Ox=0 y=t Z = 0 O A and B Question 9 (1 point) Listen The direction vector of the equation below is :