Question

The point A is reflected across the Y-axis to get B and across the X-axis to get C. If the coordinates of B are (3,4), find the coordinates of the point C.

• A. C(3,-4)
• B. C(-3,4)
• C. C(-3,-4)
• D. C(3,4)

Answer 1

The correct option is C C(-3,-4)

Point A is reflected across the Y-axis to get B(3,4).

Hence, if the point B(3, 4) is reflected across the Y-axis, we should get point A.

Plotting point A in this manner, we find:


Hence, the coordinates of point A are: A(-3,4).

Now, the point C is the relection of point A across the X-axis. So, plotting C, we get:


Hence, the coordinates of point C are: C(-3,-4)