Graph the elipse with equation x2/16+y2/4=1

Find an equation in standard form for the ellipse with the vertical major axis of length 18 and minor axis of length 6.

Find all polar coordinates of point P where P=(1, -/6)

Determine two pairs of polar coordinates for the point (5, 5) with 0 < 360.

The position of an object at time t is given by s(t) = -2 - 6t. Find the instantaneous velocity at t = 2 by finding the derivative.

The position of an object at time t is given by s(t) = -4 - 2t. Find the instantaneous velocity at t = 6 by finding the derivative.

Find the center, vertices, and foci of the ellipse with equation x^2/400 + y^2/625 = 1