The point P (x, y) is first reflected in the x-axis and then reflected in teh origin to P'. If P' has co-ordinats (-8, 5); evaluate x and y.

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Solution

Mx (x, y) = (x, -y)

Mo (x, -y) = (-x, y)

Thus, we get the co-ordinate of point P' as
(-x, y).
It is given that the co-ordinate of P' are (-8 , 5)

on comparing the two points we get

x = 8 and
y = 5

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The point P (x, y) is first reflected in the x-axis and then reflected in teh origin to P'. If P' has co-ordinats (-8, 5); evaluate x and y.

Mx (x, y) = (x, -y) Mo (x, -y) = (-x, y) Thus, we get the co-ordinate of point P' as (-x, y). It is given that the co-ordinate of P' are (-8 , 5) on comparing the two points we get x = 8 and y = 5

Mx (x, y) = (x, -y)

Mo (x, -y) = (-x, y)

Thus, we get the co-ordinate of point P' as
(-x, y).
It is given that the co-ordinate of P' are (-8 , 5)

on comparing the two points we get

x = 8 and
y = 5