Question

Real Answers Only!!!!

The coordinates of a quadrilateral are (5,8), (7, 10). (9, 12), and (11, 14). After a transformation, the sign of the x-coordinate for
each ordered pair has changed. Which type of transformation occurred?
A) (x,y)-(x + 2, Y + 2)
B) dilation; (x + 2), (y + 2)
reflection across the y-axis
D) reflection across the x-axis

Answer 1

The correct answer is C) Reflection across the Y-axis.

Explanation:

This is because only the x-coordinates changed. If these coordinates were reflected across both the x and y axis' the sign of both the x and y coordinates would have changed. When you reflect a point across the x axis, the y-coordinates change their sign. When you reflect a point across the y axis, the x-coordinates change their sign.

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