Mathematics, 14.07.2019 11:00 kaquino983
Acircle is centered at the point (5, -4) and passes through the point (-3, 2). the equation of this circle is (x + __ )^2 + (y + __ )^2 = __ .
Answers: 1
![\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{5}~,~\stackrel{y_1}{-4})\qquad (\stackrel{x_2}{-3}~,~\stackrel{y_2}{2})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ \stackrel{radius}{r}=\sqrt{[-3-5]^2+[2-(-4)]^2}\implies r=\sqrt{(-3-5)^2+(2+4)^2} \\\\\\ r=\sqrt{(-8)^2+6^2}\implies r=\sqrt{100}\implies r=10\\\\ -------------------------------](/tpl/images/0088/3805/4f9d4.png)
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{5}{ h},\stackrel{-4}{ k})\qquad \qquad radius=\stackrel{10}{ r} \\\\\\\ [x-5]^2+[y-(-4)]^2=10^2\implies (x-5)^2+(y+4)^2=100](/tpl/images/0088/3805/540f9.png)
Another question on Mathematics
Mathematics, 21.06.2019 17:00
There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?
Answers: 2
Mathematics, 21.06.2019 18:30
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?
Answers: 1
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
Mathematics, 21.06.2019 20:30
What is 1/3x5 on anuber line what does it look like on a number line
Answers: 3
You know the right answer?
Acircle is centered at the point (5, -4) and passes through the point (-3, 2). the equation of this...
Questions
Social Studies, 13.12.2021 18:10
English, 13.12.2021 18:10
Mathematics, 13.12.2021 18:10
Mathematics, 13.12.2021 18:10
Mathematics, 13.12.2021 18:10
Biology, 13.12.2021 18:10
French, 13.12.2021 18:10
Mathematics, 13.12.2021 18:10
Social Studies, 13.12.2021 18:10
History, 13.12.2021 18:20
