Find a parametrization for the line segment joining the points P(0,0,9) and Q(9,0,9).

Draw coordinate axes and sketch the segment, indicating the direction of increasing t for the parametrization.

Find the parametrization for the line segment joining the two points. Use

(0,0,9) as the base point and PQ as the vector. Let y=0.

x=___ y=___z=____,0t____