Mathematics
Which of the following points is invariant with respect to the line y = -2?
(3, 2)
(3, -2)
(2, 3)
(-2, 3)
Reflection
75 Likes
Answer
Since, in (3, -2), y = -2, it means this point lies on the line. Hence, it a invariant point.
Hence, Option 2 is the correct option.
Answered By
25 Likes
Related Questions
The reflection of the point A(4, -1) in the line x = 2 is
(0, -1)
(8, -1)
(0, 1)
none of these
The reflection of the point (-3, 0) in the origin is the point
(0, -3)
(0, 3)
(3, 0)
none of these
P(2, 4) is a point in first quadrant.
Assertion (A): Its reflection P' in origin O is in 2nd quadrant.
Reason (R): PO = P'O
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Both Assertion (A) and Reason (R) are correct, and Reason (R) is the correct reason for Assertion (A).
Both Assertion (A) and Reason (R) are correct, and Reason (R) is incorrect reason for Assertion (A).
P(-5, m) is invariant with respect to y = 2.
Assertion (A): Value of m is -2.
Reason (R): P lies on y = 2.
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Both Assertion (A) and Reason (R) are correct, and Reason (R) is the correct reason for Assertion (A).
Both Assertion (A) and Reason (R) are correct, and Reason (R) is incorrect reason for Assertion (A).