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*2 + 20x + y2 + 16y = -20
the equation above defines a circle in the xy-plane.
what are the coordinates of the center of the circle? !
a) (-20, -16)
b) (-10,-8)
c) (10,8)
d) (2016)
(x²+20x) + (y2 +1by) -20
the
linear

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis