Refer to the figures on the right for the following questions. If you are asked to identify a surface, use the Roman numeral to identify the surface. (a) Rewrite the equation in standard form, then identify which surface could be represented by the equation -2x²-4z² =4-y². (b) Rewrite the equation in standard form, then identify which surface could be represented by the equation z² = 2x²-y. (c) Write a possible equation to describe surface L (d) Write a possible equation to describe surface VIII. E VII IV VI VIII