Consider the point $A\left(7,3\right)$A(7,3).

Plot point $A$A on the number plane.

Now plot point $A'$A′, a reflection of point $A$A across the $x$x-axis.

Consider the point $A\left(-5,-6\right)$A(−5,−6).

Plot the following.

Define and use transformations and describe the invariant properties of figures and objects under these transformations