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Question : What is the reflection of the point (5, – 2) in the line $x$ = – 1?

Option 1: (– 7, – 2)

Option 2: (5, 0)

Option 3: (7, – 2)

Option 4: (5, 2)


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: (– 7, – 2)


Solution : Given:
The point (5, –2) in the line $x = – 1$.
The following formula, $(2c–x, y)$ is used to find the value of $c = – 1$.
So, the reflection point is $(2c–x, y)$ i.e. $(2×(– 1) – 5, – 2)$.
(– 2 – 5, – 2) = (– 7, – 2)
Hence, the correct answer is (– 7,– 2).

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