Home
Class 12
MATHS
The points (-1, 1) and (1, -1) are symme...

The points (-1, 1) and (1, -1) are symmetrical about the line :

A

`y=x`

B

`y+x=0`

C

`x+y=1`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CARTESIAN SYSTEM OF RECTANGULAR CO-ORDINATES AND STRAIGHT LINES

    MODERN PUBLICATION|Exercise Multiple Choice Questions (LEVEL-II)|50 Videos
  • CARTESIAN SYSTEM OF RECTANGULAR CO-ORDINATES AND STRAIGHT LINES

    MODERN PUBLICATION|Exercise Latest Questions from AIEEE/JEE Examinations|12 Videos
  • BINOMIAL THEOREM

    MODERN PUBLICATION|Exercise RCQ.s Recent Competitive Questions (Questions from Karnataka CET & Comed|6 Videos
  • CIRCLES AND SYSTEMS OF CIRCLES

    MODERN PUBLICATION|Exercise Recent Competitive Questions (RCQs)|12 Videos

Similar Questions

Explore conceptually related problems

If the algebraic sum of the perpendicular distances from the points (2, 0), (0, 2) and (1, 1) to a variable st. line be zero, then the line passes thro' the point :

Show that the line through the points (1, -1, 2), (3, 4, -2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).

The graph of the function y=f(x) is symmetrical about the line x=2 , then :

If the line passing through the point (5,1,a) and (3,b,1) crosses the yz-plane, at the point (0,17/2, -13/2) then

Statement 1: The quadratic polynomial y=ax^(2)+bx+c(a!=0 and a,b in R) is symmetric about the line 2ax+b=0 Statement 2: Parabola is symmetric about its axis of symmetry.

If a circle with the point (-1, 1) as the centre touches the line x + 2y + 9 = 0, then the co-ordinates of the point of contact are:

A line perpendicular to the line segment joining the points (1, 0) and (2, 3) divides it in the ratio 1: n. Find the equation of the line.

The point P is the intersection of the straight line joining the points Q (2, 3, 5) and R (1, - 1, 4) with the plane 5x - 4y - z = 1. If S is the foot of the perpendicular drawn from the point T (2, 1, 4) to QR, then the length of the line segment PS is:

Are the points (2,1) and (-3,5) on the same or opposite side of the line 3x - 2y + 1 = 0 ?

If the line 2x+y=k passes through the point, which divides the line segment joining the points (1, 1) and (2, 4) in the ratio 3:2 , then k equals: