7. Find the equation of the circle with center (2, -4) and tangent to the y- axis.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.4: Relationships: Perpendicular Lines
Problem 21E
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7. Find the equation of the circle with center (2, -4) and tangent to the y-
axis.
8. Find the equation of the circle with center (-9, -3) and tangent to the x-
axis.
9. Find the equation of the circle such that the endpoints of a diameter
are (-2, 8) and (8, -6).
10. Find the perimeter and area of the right triangle with vertices (1,2),
(5,5), and (-2, 6).
Transcribed Image Text:7. Find the equation of the circle with center (2, -4) and tangent to the y- axis. 8. Find the equation of the circle with center (-9, -3) and tangent to the x- axis. 9. Find the equation of the circle such that the endpoints of a diameter are (-2, 8) and (8, -6). 10. Find the perimeter and area of the right triangle with vertices (1,2), (5,5), and (-2, 6).
9:38
For each problem below, use algebra to answer the questions. You may find
it helpful to draw and label an appropriate picture to help you get started and
verify that your answer is reasonable. (Even if you are quite sure you can
answer the question from your picture alone, you must use algebra to justify
your answer.)
Transcribed Image Text:9:38 For each problem below, use algebra to answer the questions. You may find it helpful to draw and label an appropriate picture to help you get started and verify that your answer is reasonable. (Even if you are quite sure you can answer the question from your picture alone, you must use algebra to justify your answer.)
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