The circle #x^2 + y^2 = 36# is translated 5 units left and 4 units up. Where is the center of the new circle after the translation?
1 Answer
Jan 23, 2016
centre = (- 5 , 4 )
Explanation:
# x^2 + y^2 = 36 # is the equation of a circle : centre (0 , 0 ) and r = 6
When the circle is translated by 5 units left (- 5) and 4 up (+4 )
Then the centre ( 0 , 0 ) will move (0 - 5 , 0 + 4 ) = ( -5 , 4 )