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babydoll022299
24.06.2019 •
Mathematics
Me with this question its urgent its about completing a equation
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Ответ:
The equation of circle is
.
Step-by-step explanation:
The standard form of a circle is
where, (h,k) is the center of the circle and r is the radius.
It is given that the center of the circle is (-5,-8). it means h=-5 and k=-8.
The circle passes through the point (2,-8). So, the radius of the circle is the distance between point (-5,-8) and (2,-8).
Substitute h=-5, k=8 and r=7 in equation (1), to find the equation of circle.
Therefore the equation of circle is
.
Ответ:
(x - 2)² + (y +8)² = 49
Step-by-step explanation:
Points to remember
Equation of a circle passing through the point (x₁, y₁) and radius r is given by
(x - x₁)² + (y - y₁)² = r ²
To find the radius
It is given that, center of circle = (-5, -8) and passes through the point (2 -8)
By using distance formula,
r = √[(2 --5)² + (-8 --8)²]
= √7²
r = 7
To find the equation of the circle
Here (x₁, y₁) = (2, -8)
Equation of circle is,
(x - x₁)² + (y - y₁)² = r ²
(x - 2)² + (y - (-8))² = 7²
(x - 2)² + (y +8)² = 49
Ответ:
SHE DRANK A BATTERY ??
tbh she should go cya doctor bro
Step-by-step explanation: