If the coordinate of a point is (x, y) and it is reflected across the x-axis, the new coordinate is ___. A. (-x, y) B. (x, -y) C. (-x, -y) D. (y, x) 相关知识点: 试题来源: 解析 B。点(x, y)关于 x 轴反射,纵坐标变为相反数,即新坐标为(x, -y)。反馈...
If the x-coordinate of a point is 0 and the y-coordinate is -5, where is the point located? A. On the x-axis B. On the y-axis C. In the first quadrant D. In the fourth quadrant 相关知识点: 试题来源: 解析 B。当点的横坐标为 0 时,该点在 y 轴上。选项 A 点在 x 轴上...
This shade coordinates with a wide range of other colours. 这种深浅的颜色可与很多颜色搭配。 来自牛津词典 4. The campaign needs an effective coordinator. 这场运动需要一个强有力的协调人。 来自牛津词典 5. the x, y coordinates of any point on a line 一条线上任意一点的x、y 坐标 来自牛津词典...
A plurality of receiving units receive the SAW from the plurality of transmitting units through reflection, and output detection signals in response to the received SAW, so that coordinates of a specified point on the writing panel are detected based on the detection signals. A plurality of ...
坐标either of two numbers or letters used to fix the position of a point on a map or graph the x, y coordinates of any point on a line一条线上任意一点的x、y 坐标（颜色协调的）配套服装，套装pieces of clothing that can be worn together because, for example, the colours look...
(align*)(x &=r cos θ x &=5 cos 221° x &=5(-0.7547) x &=-3.77)(align*) The (align*)x(align*) -coordinate of a point on a circle of radius 5 units, which makes an angle of (align*)221°(align*) is -3.77.The answer is TRUE.反馈...
1. Mathematics Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed references. 2. coordinates Informal Directions: Give me some coordinates so I can find...
Cartesian coordinate system - a coordinate system for which the coordinates of a point are its distances from a set perpendicular lines that intersect at the origin of the system coordinate system, frame of reference, reference frame, reference system - a system that uses coordinates to establish ...
Point A(-5,-40) is rotated {eq}90^o {/eq} counterclockwise about the point (-2,-3). What is the coordinate of 'A' after the rotation? Rotation of points: When the coordinate of a point (x, y) is rotated about the origin by angle...
Point B is at (4, -2) in a coordinate system. If it is rotated 90 degrees clockwise around the origin, the new coordinates of point B will be ___. A. (-2, 4) B. (2, 4) C. (2, -4) D. (-2, -4) 相关知识点: 试题来源: 解析 C。解析:顺时针旋转 90 度,原来...