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What is the sequence of transformations that maps △ABC to △A′B′C′ ?

Select from the drop-down menus to correctly identify each step.


Step 1: Choose...

Reflect across the y-axis

Reflect across the line y=x

Rotate 180 degrees about the origin

Rotate 90 degrees clockwise about the origin


Step 2: Choose...

Translate 1 unit right

Translate 2 units right

Translate 4 units down

Reflect across the x-axis

 Dec 20, 2018

Rotate 180 degrees about the origin


Translate 2 units right


To see this...look at  A   = (-1, 2)


Reflecting across the line 180 degrees about the origin reverses the signs of the coordinates = (1, -2)


Translating this two units to the right produces (3,-2)  = A '


Check the other two points to see this is true....


cool cool cool

 Dec 20, 2018

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