The reflection point of A(-6, 10) about Y = 2 is (c, d). The value of c + d is ___.
A
-12
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B
12
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C
6
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D
12
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Solution
The correct option is A -12 Reflection about Y = 0; X - coordinate remain same. Y - coordinate change sign. Reflection about Y = a; X - coordinate remain same. Y - coordinate change sign and value is reduced by 2a. The reflection point of A(-6, 10) about Y = 2 => (-6, -6) Therefore, The value of c + d = -12