Mathematics, 01.03.2020 16:36, michelle102567
The circle Ci, intersects the y-axis at two points, one of which is (0.4).
The line y = 2 is a tangent to the circle at (4, 2).
(i)
Show that the radius of the circle is 5 units.
(ii)
Find the equation of the circle C, in standard form.
Another circle C2 has equation x² + y2 + 6x – 8y +9=0.
(iii)
(iv)
Find the centre and radius of C2.
Show that the circle C2 is a tangent to the x-axis.
Answers: 1
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The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)
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The circle Ci, intersects the y-axis at two points, one of which is (0.4).
The line y = 2 is a...
The line y = 2 is a...
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