joy3449
10.11.2019 •
Mathematics
Acircle has its center at (-2, 5) and a radius of 4 units. what is the equation of the circle? answer choices:
(a) (x + 2)2 + (y - 5)2 = 16
(b) (x + 2)2+ (y + 5)2= 16
(c) (x + 2)2+(y - 5)2 = 4
(d) (x - 2)2+(y + 5)2 = 4
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Ответ:
( x - h )² + ( y - k )² = r²;
h = - 2, k = 5, r = 4
A ) ( x + 2 )² + ( y - 5 )² = 16
Ответ:
option (a) is correct.
The equation of a circle has its center at (-2, 5) and a radius of 4 units. is
Step-by-step explanation:
Given : A circle has its center at (-2, 5) and a radius of 4 units.
We have to choose the correct equation representing this given circle.
The general equation of circle with center (h , k) and radius 'r' is given by equation
For the given circle with center at (-2, 5) and a radius of 4 units.
that is h = -2 , k = 5 and r = 4 , we have,
Simplify , we get,
Thus, option (a) is correct.
The equation of a circle has its center at (-2, 5) and a radius of 4 units. is
Ответ:
1) 15/22
2) 5/8
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