Answered: Which equation represents a circle with…

Which equation represents a circle with center (-4, 9) and radius 7? 1.(x+4)^2 + (y-9)^2 = 7 2.(x-4)^2 + (y+9)^2 = 49 3.(x-4)^2 + (y-9)^2 = \sqrt{7} 4.(x+4)^2 + (y-9)^2 = 49

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.2: Graphs Of Equations

Problem 66E

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Question

Which equation represents a circle with center (-4, 9) and radius 7?

1.(x+4)^2 + (y-9)^2 = 7

2.(x-4)^2 + (y+9)^2 = 49

3.(x-4)^2 + (y-9)^2 = \sqrt{7}

4.(x+4)^2 + (y-9)^2 = 49

Two-dimensional figure measured in terms of radius. It is formed by a set of points that are at a constant or fixed distance from a fixed point in the center of the plane. The parts of the circle are circumference, radius, diameter, chord, tangent, secant, arc of a circle, and segment in a circle.

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