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14 June, 02:58

Determine whether the statement is true or false. The circle (x - 1) ^2 + (y + 1) ^2 = 9 intersects the y-axis.

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  1. 14 June, 03:07
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    From that equation we know the center is: (1,-1) and the radius is three. Since the distance from the center to (0,0) is:

    d^2=1^2+1^2

    d^2=2

    d=√2

    Since d
    So the statement saying that the circle intersects the y-axis is true.
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