SOLUTION: If a circle of radius 2 is made to roll along the x-axis, what is an equation for the path of the center of the circle? Same question if the circle is made to roll upward on th

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Question 1200536: If a circle of radius 2 is made to roll along the x-axis, what is an equation for the path of the center of the circle?
Same question if the circle is made to roll upward on the y-axis.
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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(a) If a circle of radius 2 is made to roll along the x-axis, what is an equation for the path of the center of the circle?
(b) Same question if the circle is made to roll upward on the y-axis.
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(a)  There are two possible lines and two possible equations.

     One equation is      y =  2.    

     Another equation is  y = -2.



(a)  There are two possible lines and two possible equations.

     One equation is      x =  2.    

     Another equation is  x = -2.

Solved.