百度试题 结果1 题目19. A circle in the xy-plane contains the points(-1,1),(1, 1), and (-1,-1). Which of the following is an equation of the circle?A A.x2+ B. C. D. 相关知识点: 试题来源: 解析 A 反馈 收藏
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...
The circle the equation (x+3)^2 + (y-1)^2=25 has center (-3,1) and radius 5. For a point to be inside of the circle, the distance from that point to the center must be less than the radius , 5. The distance between (3,2) and (-3,1) is sqrt((-3-3)^2) + (1
GMAT 考满分题库In the xy-plane, point (r,s) lies on a circle with center at the origin. What is the value of ?(1) The circle has radius 2.(2) The point () lies on the circle.
In thexy-plane, what is the radius of a circle described by {eq}x^2 + 2x + y^2 = 0 {/eq} ? Equation of a Circle: The standard equation of a circle is {eq}(x - x_0)^2 + (y - y_0)^2 = r^2 {/eq} where {eq}(x_0, y_0) {/eq} is the cent...
In the xy-plane, a circle is centered on the origin and the point (p,q) lies on the circumference of the circle. What is the radius of the circle, in terms of p and q? () A. p+q B. p-q C. p^2+q^2 D. √(p^2+q^2) 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
【题目】 A circle in the standard (x, y) coordinate plane has center (5,-3) and radius 6 coordinate units.Which of the following is an equation of the circle?A$$ ( x - 5 ) ^ { 2 } - ( y - 3 ) ^ { 2 } = 6 $$B$$ \textcircled { B } ( x + 5 ) ^ { 2 } +...
A certain circle in the xy-plane has its center at the origin. If P is a point on the circle, what is the sum of the squares of the coordinates of P? (1) The radius of the circle is 4. (2) The sum of the coordinates of P is 0. ...
geometry/ minisum circlecircle locatingweighted distances sumcircle radiusoptimal circle characterizations/ C1290 Applications of systems theory C1160 Combinatorial mathematicsWe consider the problem of locating a circle with respect to existing facilities in the plane such that the sum of weighted distances...
A point moves in the XY-plane such that the sum of it’s distances from two mutually perpendicular lines is always equal to 5 units. The area enclosed by the locus of the point is in square units is x then sum of the digits of x is Video SolutionWin...