INSTRUCTION: SHOW YOUR SOLUTION COMPLETELY AND CHOOSE THE CORRECT LETTER. 18. The equation x² + y2 – 4x + 2y – 20 = 0 describes a/anA. ellipse centered at (2, -1)B. circle of radius 5 centered at (2, -1)C. circle of radius 5 centered at the originD. sphere centered at the origin19. Find the equation of a circle circumscribing a triangle with vertices (-1, -3), (-2, 4) and (2, 1).А. х + 3x + у?- у-10-0B. x² + 3x + y? + y + 10 = 0С.x + 3x + у? - 8y- 10- 0D. x² + 3x + y? + 8y + 10 = 0

Answered: Image /qna-images/answer/77e23912-400a-4fde-8ab4-bdf4a8d5f687.jpg

Answered: INSTRUCTION: SHOW YOUR SOLUTION…

Math

Algebra

INSTRUCTION: SHOW YOUR SOLUTION COMPLETELY AND CHOOSE THE CORRECT LETTER.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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