Aileen F.
asked • 11/17/20Circle C lies on the coordinate plane with its center at C(2,−2). Point A lies on ⨀C at (−2,−2), and point P has the coordinates (6,−2). Which answer verifies whether P lies on ⨀C?
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1 Expert Answer
Compute distance between A(-2,-2) and C(2,-2). That is the radius of circle C.
Compute distance between A(2,-2) and P (6,-2). If it matches the radius then it lies on circle C.
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Aileen F.
The statement (2+2)2+(−2+2)2≠(2−6)2+(−2+2)2 is a true statement, so P is not on ⨀C. The equation (2+2)2+(−2+2)2=(2−6)2+(−2+2)2 is a true statement, so P is on ⨀C. The statement (2−2)2+(−2−2)2≠(2+6)2+(−2−2)2 is a true statement, so P is not on ⨀C. The equation (2−2)2+(−2−2)2=(2+6)2+(−2−2)2 is a true statement, so P is on ⨀C.11/17/20