Question

A ssignment. 1. Find the equation of the circle $ \{-1,-1\rangle $ and radius 2. Find the Centre and radius of the circle \[ x^{2}+y^{2}-6 x+14 y+49=0 \]

          A ssignment.
1. Find the equation of the circle \( \{-1,-1\rangle \) and radius
2. Find the Centre and radius of the circle
\[
x^{2}+y^{2}-6 x+14 y+49=0
\]

$A ssignment. 1. Find the equation of the circle {-1,-1⟩ and radius 2. Find the Centre and radius of the circle x^2+y^2-6 x+14 y+49=0$

Added by Mark G.

Essentials of Precalculus

Richard N. Aufmann, Richard D. Nation 1st Edition

Chapter 1

Instant Answer

Solved by Expert Erika Bustos

07/16/2021

Step 1

The equation of a circle can be written as $(x-a)^2 + (y-b)^2 = r^2$, where (a, b) is the center of the circle and r is the radius. So, substituting the given values, we have $(x+1)^2 + (y+1)^2 = 2^2$. Expanding this equation, we get \(x^2 + 2x + 1 + y^2 + Show more…

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