Mathematics
03.04.2020 03:44
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Acircle has its center at (6,-3) and a radius of 5 units. what is the equation of
Acircle has its center at (6,-3) and a radius of 5 units. what is the equation of the circle?
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tyde4209
4,7(74 marks)
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{6}{ h},\stackrel{-3}{ k})\qquad \qquad radius=\stackrel{5}{ r}\\[2em] [x-6]^2+[y-(-3)]^2=5^2\implies (x-6)^2+(y+3)^2=25](/tpl/images/0029/7089/18cdc.png)
juana18
4,6(87 marks)
Step-by-step explanation:
The x value for the center is part of the x^2 part of the equation.
The y value for the center is part of the y^2 part of the equation.
The radius is squared.
(x - 6)^2 + (y + 3)^2 = 5^2
Notice the sign change for the center. When you move horizontally the sign of the center changes sign in the circle's equation.
The graph is included to show you that.
chrisayy
4,9(95 marks)
The answer is 9 months
Step-by-step explanation:
585 ÷ 65 = 9
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