Use point plotting to graph the plane curve described by the given parametric equations. x =2t - 1, y=t +2; -4sts4 - . . . O A. O B. O C. O D. Ay 1712- Ay 12- Ay 712 12 X X X X 12 12 -12 12 12 12 12 12 45Eliminate the parameter t. Then use the rectangular equation to sketch the plane curve represented by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values of t. x = 1+ 2 cost, y= - 1+ 3 sint; Ostsx 2 . . . below, filling in the answer box(es) to complete your choice if necessary. (Simplify your answers.) The rectangular equation is with restrictions OA. x2 ,yz OB. x2 O C. SXS sys O D. There are no restrictions on the values of x and y. Choose the correct graph below. O A. 3. O C. O D. Ay Ay 6- 6- 6- 6- foot X -6 -61 -61Find the standard form of the equation of the parabola satisfying the given conditions. Focus: ( - 6,4); Directrix: y = 2 3 The standard form of the equation is E. (Type an equation. Simplify your answer.) A few steps in the process of 2 2 6 1 simplifying the given matrix to - 2 2 - 6 row-echelon form, with 1s down the 2 5 3 - 18 0 9 diagonal from upper left to lower right, 3 - 3 0 0 3 and Os below the 1s, are shown. Fill in the missing numbers in the steps that 1 - 2 2 - 6 are shown. 0 O . . . Fill in the missing numbers. 1 -2 2 6 - 2 2 - 6 2 5 3 - 18 - 0 9 3 - 3 - 1 0 0 3 1 - 2 2 - 6 0 3 (Simplify your answers.)