Question

2. The distance between M-1,5 )and N (x,5) is 8 units. The value of x is (a) -9 or 9 (b) -7 or 9 (c) -9 or 7 (d) -7 or-9​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Correct option is

C

−9 or 7

[x−(−1)]

2

+(5−5)

2

=8

⇒(x+1)

2

=8

2

⇒x+1=±8

∴x=−9,7