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Let {P} be a point on the circle {x}^{{2}}+{y}^{{2}}={9},{Q} a

Question

Let $P$ be a point on the circle $x^{2} + y^{2} = 9, Q$ a point on the line $7 x + y + 3 = 0$ , and the perpendicular bisector of $P Q$ be the line $x - y + 1 = 0$ . Then the coordinates of $P$ are $(0, - 3)$ (b) $(0, 3)$ $(\frac{72}{25}, \frac{21}{35})$ (d) $(- \frac{72}{25}, \frac{21}{25})$

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Evelyn Discussed

Let

P

be a point on the circle

x^{2} + y^{2} = 9, Q

a point on the line

7 x + y + 3 = 0

, and the perpendicular bisector of

P Q

be the line

x - y + 1 = 0

. Then the coordinates of

P

are

(0, - 3)

(b)

(0, 3)

(\frac{72}{25}, \frac{21}{35})

(d)

(- \frac{72}{25}, \frac{21}{25})

9 mins ago

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