(a) Find the y-intercept of the line in 2-space that is represented by the vector equation r = (3+2t)i+5tj
(b) Find the coordinates of the points where the line r = ti + (1+2t)j - 3tk intersects the plane 3x-y-z=2
For a, I'm pretty sure it's (0,-7.5), just took (3,0) and went in the...