If is the line whose equation is `ax +by=c.` Let M be the reflection of 'L through the y-axis and let N be the reflection of L through the x-axis. Which of the following must be true about M and N for choices of `a, b` and `c?`

In the figure, lines l, m and n intersect at O. Which one of the following must be true about the value of a?

If C is the reflection of A (2, 4) in x-axis and B is the reflection of C in y-axis, then |AB| is

If C is the reflection of A (2, 4) in x-axis and B is the reflection of C in y-axis, then | AB | is :

If C is the reflection of A(2,4) in x -axis and B is the reflection of C in y-axis then |AB| is 4sqrt(k) then k=

Let P be the point (3, 2). Let Q be the reflection of P about the x-axis. Let R be the reflection of Q about the line y=-x and let S be the reflection of R through the origin, PQRS is a convex quadrilateral . Find the area of PQRS.

m,n are integers with 0ltnltm . A is the point (m,n) on the Cartesian Plane. B is the rflection of A on theline y=x. C is the reflection of B on the y-axis. D is the reflection of C on the x-axis. And E is the reflection of D on they y-axis. The area of the pentagon ABCDE is

Let P be the point (3,2). Let Q be the reflection of P about the x-axis.Let R be the reflection of Q about the line y=-x and let S be the reflection of R through the origin, PQRS is a convex quadrilateral.Find the area of PQRS.

Let m ,n are integers with 0ltnltm . A is the point (m ,n) on the Cartesian plane. B is the reflection of A in the line y=x . C is the reflection of B in the y-axis, D is the reflection of C in the x-axis and E is the reflection of D in the y-axis. The area of the pentagon A B C D E is a. 2m(m+n) b. m(m+3n) c. m(2m+3n) d. 2m(m+3n)