Find the centre and the radius of each of the following circles. a. x 2 + y2
Question:
Find the centre and the radius of each of the following circles.
a. x2 + y2 = 16
b. 2x2 + 2y2 = 9
c. x2 + (y − 2)2 = 25
d. (x − 5)2 + (y + 3)2 = 4
e. (x + 7)2 + y2 = 18
f. 2(x − 3)2 + 2(y + 4)2 = 45
g. x2 + y2 − 8x + 20y + 110 = 0
h. 2x2 + 2y2 − 14x − 10y − 163 = 0
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a x2 y2 16 is the equation of a circle with center at 00 and radius of 16 4 b Dividing both side...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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