2 years ago

What are the coordinates of the center of the circle and radius of the circle whose equation is (x−2)2+(y+3)2=80?

Mathematics

1 answer:

Vesnalui [34]2 years ago

7 0

Answer:

from number 1-7 does that 2 mean squared? or can you please snap the questionStep-by-step explanation:

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Point E is located at (-2, 2) and point F is located at (4,-6). What is the distance bewtween points E and F?

Hoochie [10]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\(\stackrel{x_1}{-2}~,~\stackrel{y_1}{2})\qquad(\stackrel{x_2}{4}~,~\stackrel{y_2}{-6})\qquad \qquadd = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}\\\\\\d=\sqrt{[4-(-2)]^2+[-6-2]^2}\implies d=\sqrt{(4+2)^2+(-6-2)^2}\\\\\\d=\sqrt{6^2+(-8)^2}\implies d=\sqrt{100}\implies d=10$