Question

Write the coordinates of the vertices
after a reflection over the line y = -4.

Answer 1

Answer:

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Explanation :

- GiveN :

• C( 8 , -4 ) , D( 9 , -4 ) , E( 9 , 1 ) & F( 8 , 1 ) are the vertices of the given rectangle.

Reflection in the line y = k :

P( x , y ) ----------------------P'( x , 2k - y )

• C( 8 , -4 ) ----------------------C'( 8 , -4 )

• D ( 9 , -4 ) ----------------------D' ( 9 , -4 )

• E ( 9 , 1 ) ----------------------- E' ( 9 , -9 )

• F ( 8 , 1 ) ----------------------- F' ( 8 , -9 )

• C' ( 8 , -4 ) , D'( 9 , -4 ) , E' ( 9 , -9 ) & F'( 8 , -9 ) are the coordinates of the vertices after a reflection over the line y = -4 .

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