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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)
C) reflection across the y-axis
D) reflection across the x-axis

Respuesta :

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Given:
1st point (5,8)
2nd point (7,10)
3rd point (9,12)
4th point (11,14)

After transformation, the sing of the x-coordinate for each ordered pair has changed. From positive, it becomes negative. However, the sign of the y-coordinate is assumed to retains its original sign. 

From positive x and positive y to negative x and positive y, this is C. REFLECTION ACROSS THE Y-AXIS. 

Answer:

the answer is c

Step-by-step explanation:

i took the test :)

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