1. [-/1 Points] DETAILS OSCAT1 10.3.179. Convert the given Cartesian equation to a polar equation. (Use the following as necessary: r and 0.) x2 + y2 = 16 Additional Materials eBook Example Video # Show My Work (Optional) ? 2. [-/1 Points] DETAILS OSCAT1 10.3.198. Find the polar coordinates of the point with r > 0 and 0 s 0 s 2x. (r, 0) = 1 3 4 LO Additional Materials eBook Introduction to Polar Coordinates + Show My Work (Optional) @3. [-/1 Points] DETAILS OSCAT1 10.3.226. Use a graphing calculator to find the polar coordinates with r > 0 and 0 s 0's 3600 of (-9, 7) in degrees. Round to the nearest thousandth. (r, 0 ) = ( Additional Materials eBook Introduction to Polar Coordinates Comparing Polar and Rectangular Coordinates Show My Work (Optional) 4. [-/1 Points] DETAILS OSCAT1 10.4.251. Graph the equation to find symmetry. (Let -2x s 0