Point (0,5) is an invariant point when reflected in _____
X - axis
Y - axis
Origin(0,0)
None othe above
P and Q have co-ordinates (0, 5) and (-2, 4).
(a) P is invariant when reflected in an axis. Name the axis.
(b) Find the image of Q on reflection in the axis found in (a)
(c) (0, k) on reflection in the origin is invariant. Write the value of k.
(d) Write the co-ordinates of the image of Q, obtained by reflection it in the origin followed by reflection in x-axis.
(i) Plot the points A (3, 5) and B (-2, -4). Use 1 cm = 1 unit on both the axes.
(ii) A' is the image of A when reflected in the x-axis. Write down the co-ordinates of A' and plot it on the graph paper.
(iii) B' is the image of B when reflected in the y-axis, followed by reflection in the origin. Write down the co-ordinates of B' and plot it on the graph paper.
(iv) Write down the geometrical name of the figure AA'BB'.
(v) Name two invariant points under reflection in the x-axis.
(−13,0) is an invariant point when reflected in the x-axis. State whether true or false.
(−13,0) is an invariant point under the reflection on the x-axis.
The image of a point P on reflection in the y axis is Q. The mid point of PQ is invariant on reflection in the x axis. Locate the origin.