syldajahsimpson syldajahsimpson
  • 25-11-2018
  • Mathematics
contestada

The line segment shown is rotated 90° about the origin (counterclockwise). What are the new coordinates of point A? A) (2, 1) B) (-2, 1) C) (-2, -1) D) (1, 2)

Respuesta :

jimrgrant1 jimrgrant1
  • 25-11-2018

Under a counterclockwise rotation about the origin of 90°

a point (x , y ) → (- y, x ), hence

A(2, 1 ) → A'(- 1, 2 )


Answer Link
Killer1011
Killer1011 Killer1011
  • 22-03-2019

Answer:

A. (2,1)

Step-by-step explanation:

Answer Link

Otras preguntas

Could you guys help me rephrase this claim into something that sounds smoother and more sophisticated? Thanks! Best answer gets Brainliest. <3 Through symbol
2x + 11 equals 6x - 9 value of x​
Why did they have weapons in Catalhoyuk
If 25 Y - 80 is equal to minus 50 then the value of Y is
15. The Salton Trough has an elevation of 69 meters below sea level. The dead Sea Depression is almost 6 times deeper. Write and find the value of an expressio
What is the copyright "all rights reserved" in a simple definition?
2a(squared)b(cubed) and -4a(squared)b(cubed) are like terms true or false
A battery having an emf of 9.76 V delivers 111 mA when connected to a 60.5 Ω load. Determine the internal resistance of the battery. ______Ω
please help me!!! how did mountains and seas influence the location of the colonies​
Please help me spanish question choices ¿Te gusta ningún traje para el desfile? ¿Te gusta ningunos trajes para el desfile? ¿Te gusta algo traje para el desfil