Circle Centered at the Origin A circle centered at the origin has a centre at (0, 0). If it has a radius r, the equation is: (x − 0)2 + (y − 0)2 = r2 x2 + y2 = r2 This is the equation for a circle centered at the origin. This page was written by Stephen ...
The intersection points of this circle and the line x - y = 0 are: A. (2, 2), (4, 4) B. (0, 0), (6, 6) C. (1, 1), (5, 5) D. (3, 3), (5, 5) 相关知识点: 试题来源: 解析 A。解析:将直线方程代入圆的方程,得到一个关于 x 或 y 的二次方程,求解得到交点坐...
Right from equation to intermediate algebra syllabus, we have got every aspect discussed. Come to Sofsource.com and figure out a line, arithmetic and several additional math subject areas
Not only do you need to know how to graph a circle, but you also need to know how to write the equation of a circle when you see a graph. To do this, you must once again remember the pattern for a circle: in which (h, k) is the center of the circle and r is the radius...
If you want to know why, i.e. how to find that answer, please send me a message. Still looking for help? Get the right answer, fast. Ask a question for free Get a free answer to a quick problem. Most questions answered within 4 hours. ...
圆的方程(第1课时)——圆的标准方程(Theequationofacircle(firsthours)--thestandardequationofacircle)1,intheplanerectangularcoordinatesystem,weexploreandmasterthestandardequationofthecircle;2,theradiusandthecenterofthecirclearewrittenbytheequationofthecircle,andtheequationofthecirclecanbewrittenaccordingtothe...
百度试题 结果1 题目The equation of a circle is x^2+y^2-4x+ 12y+ 15= 0. Find the coordinates of the center of the circle and the length of the radius. 相关知识点: 试题来源: 解析 Center at (2, -6), radius = 5
Equation of a Circle: A circle is a flat surface bounded by a circumference whose points are equidistant from the center. The area is the part that is inside and, we can calculate it by multiplying the irrational number pi by the radius squared. We can esta...
百度试题 结果1 题目The standard form for the equation of a circleStandard Formin the coordinate plane is given as:Equationwhereis theandis the 相关知识点: 试题来源: 解析 (x-h)^2+(y-k)^2=r^2whereisthe ctnttr_
【题目】The equation of the circle that passes coordinate origin and two intersectedpointsofx^2+y^2=4andx^2+y^2+2x-4y+1=0.1s 相关知识点: 试题来源: 解析 【解析】译文:过两圆x2+ -y^2=4 x^2+y^2+2x-4y+1=0 的交点,且过原点的圆的方程是解:因为原点不在题设中的两个圆上,故可设...