Find the standard form of the equation of the following conic section.
-center $( - 1.3,0 ) ; r = 3$
A) $( x + 1.3 ) ^ { 2 } + y ^ { 2 } = 9$
B) $( x - 1.3 ) ^ { 2 } + y ^ { 2 } = 3$
C) $( x + 1.3 ) ^ { 2 } + y ^ { 2 } = 3$
D) $( x - 1.3 ) ^ { 2 } + y ^ { 2 } = 9$

Question

Quizplus · Accepted Answer

The standard form of the equation for a circle is $(x - h)^2 + (y - k)^2 = r^2$, where $(h, k)$ is the center and $r$ is the radius. Given the center $(-1.3, 0)$ and $r = 3$, the equation becomes $(x + 1.3)^2 + y^2 = 9$, since $r^2 = 3^2 = 9$.

Find the Standard Form of the Equation of the Following (−1.3,0);r=3( - 1.3,0 ) ; r = 3(−1.3,0);r=3

Find the Standard Form of the Equation of the Following $( - 1.3,0 ) ; r = 3$