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. ...
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 ...
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...
试题详情 题目: In the xy-plane, point (r, s) lies on a circle with center at the origin. What is the value of r2+ s2? (1) The circle has radius 2. (2) The point (√2, -√2) lies on the circle. 牥 选项: 答案: D
Which of the following points in the xy-plane represents the center of the circle defined by the equation x2+y2−4x−8y−16=0 ? A(−4,−8) B(−2,−4) C(2,4) D(4,8)Submit Question 2 - Select One A circle with center (5,-2) is tangent to the y-axis. What...
In the xy-plane, what is the radius of a circle described by x^2 + 2x + y^2 = 0 ? What is the center and area of a circle that has a diameter defined by endpoints (-5, 3) and (1, 6)? Identify the center and radius of the circle. x^2 + (y + 2)^2 = 64 A) (0...
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.
If the pilot flies the plane in a clockwise circle,what does this mean? A It means "message not received". C It means "message received but not understood". B It means "message received and understood". D It's not mentioned in the passage. 相关知识点: 试题来源: 解析 C 反馈 ...
结果1 题目 4In a plane rectangular coordinate system, a circle with point (2, 1) as the centre and radius1 must ().(A) intersect the x-axis(B) intersect the y-axis(C) be tangent to the x-axis(D) be tangent to the y-axis 相关知识点: 试题来源: 解析 4C 反馈 收藏 ...
In the xy-plane, point (r,s) lies on a circle with center at the origin. What is the value of r2 + s2 ? The circle has radius 2. The point (√2,−√2) lies on the circle. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Stat...