A circle in the xy-plane is tangent to the x-axis at -10 and the y-axis at 10. Which of the following is an equation of the circle? ( ) A. (x-10)+(y+10)=100 B. (x-10)^2+(y+10)^2=100 C. (x-10)^2+(y-10)^2=100 D. (x+10)^2+(y-10)^2=100 相关知识点...
Which of the following is an equation for the circle in the standard (x,y) coordinate plane that has its center at (-1,1) and passes through the point (7,5)? () A. (x-1)^2+(y-1)^2=10 B. (x+1)^2+(y+1)^2=10 C. (x-1)^2+(y-1)^2=12 D. (x-1)^2+(y-1)...
Which equation represents a circle whose center is the origin and that passes through the point (-4, 0)? 相关知识点: 试题来源: 解析 r=√((0+4)^2+(0-0)^2) =√(16) =4 (x-0)^2+(y-0)^2=4^2 x^2+y^2=16 反馈 收藏 ...
Equation of a circle S(x,y)=0 , (S(2,3)=16) which touches the line 3x+4y-7=0 at (1,1) is given by
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Text SolutionVerified by Experts The correct Answer is:5x2+5y2−2x+6y−18=0 | ShareSave Answer Step by step video, text & image solution for Find thhe equation of the circle which touches x^(2) + y^(2) - 4x +6y -12 = 0 at (-1,1) internally with a radius of 2. by ...
78. A line through a point of a curve, which is perpendicularto the tangent at this point is called the normal to the curve.(1)Find the equation of the normal to the parabola y=x^2 ;(2)Find the minimum distance between the parabola y=x^2and the circlex^2+y^2-10x+2y+25=0.(...
Which of the following describes the graph of the equation (x+y)2=x2+y2?A.the empty setB.one pointC.two linesD.a circleE.the entire plane 答案 CExpanding the left side, we have x2+2xy+y2=x2+y2⇒2xy=0⇒xy=0⇒x=0 or y=0.Thus there are two lines described in this gr...
78.A line through a point of a curve,which is perpendicularto the tangent at this point is called the normal to the curve。(1)Find the equation of the normal to the parabola y≡x2;(2)Find the minimum distance between the parabola y=x2and the circlex2+y-10x+2y+25=0.(英汉词典:cu...
Q12) In calculus, which of the following is the derivative of the function f(x) = e^x? A) f'(x) = ln(x) B) f'(x) = x C) f'(x) = e^x D) f'(x) = 1 Q13) When solving a quadratic equation of the form ax² + bx +...