Write the coordinates of the vertices after a reflection across the line x = –1 C(-9, 1)
→
C′(
,
)
D(-1, 1)
→
D′(
,
)
E(-1, 10)
→
E′(
,
)
F(-9, 10)
→
F′(
,
)

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Ответ:

kee387

17.05.2020

Mathematics

Hey there!

The answer is n - 1.

Let's pretend the number is 15, so 1 less than "15", if you think about it, would be 14, and to get there, you do 15 - 1, now let us switch "15" back to a number "n", and now we have "n - 1"

Did you catch on? ;)

I would love to help you anytime

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Write the coordinates of the vertices after a reflection across the line x = –1 C(-9, 1) → C′( , ) D(-1, 1) → D′( , ) E(-1, 10) → E′( , ) F(-9, 10) → F′( , )