Question

A point x + 2 and X + 4 lies in first quadrant of cartesian plane The Mirror image for which 4 x axis is 5 ,- 7 what is the value of x?​

Answer 1

Given : A point ( x + 2 , x + 4) lies in first quadrant of cartesian plane . Mirror image for x axis is (5 , - 7)

To find : the value of x

Solution:

Given point  x + 2  , x + 4  lies in 1st Quadrant  

Let say point is ( A , B)   Where A & B are + ve as they lie in 1st Quadrant

A = x + 2

B = x + 4

Mirror image for x axis  keep value of x axis same but  for value of y sign get changes

=> mirror image point  ( A , - B)

Mirror image = ( 5 , - 7)

=> A = 5   &  B = 7

x + 2 = 5  =>   x = 3

or  x + 4 = 7  => x = 3

Hence value of x  = 7

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Answer 2

Answer:

Here is ur answer in the above pic.