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Grace [21]
3 years ago
13

Help please!

Mathematics
2 answers:
Eva8 [605]3 years ago
6 0

we know that

The equation of the circle is of the form

(x-h)^{2} +(y-k)^{2} =r^{2}

where

(h,k) is the center

r is the radius

in this problem

we have

(x+1.5)^{2} +(y+1)^{2} =9

(x+1.5)^{2} +(y+1)^{2}=3^{2}

So

the center is the point (-1.5,-1)

the radius is 3 units

using a graph tool

see the attached figure

mart [117]3 years ago
4 0
Equation of a circle is given by (x - a)^2 + (y - b)^2 = r^2; where (a, b) is the centre and r is the radius.
(x + 1.5)^2 + (y + 1)^2 = 9
(x - (-1.5))^2 + (y - (-1))^2 = 3^2
Center = (-1.5, -1) and radius is 3.
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Read 2 more answers
<img src="https://tex.z-dn.net/?f=z%20%7B%7D%5E%7B%20-%204%7D%20y%20%7B%7D%5E%7B%20-%202%7D%20z%20%7B%7D%5E%7B4%7D%20" id="TexFo
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