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mote1985 [20]
3 years ago
11

Square efgh has been reflected across the x axis and then reflected across the y axis which of the following transformations wou

ld return the square to its original position
Mathematics
2 answers:
Morgarella [4.7K]3 years ago
7 0

Answer:

c . reflection about x and then reflection about y axis.

Step-by-step explanation:

If we rotate the square again at an angle of 180 degrees it will return the square to its original position.

for example we just do this test

Pick a corner of the square, lets say  (x,y)


first ,we relflected the square about x axis  (-x, y)


then we reflected it about  y axis,which gives us  (-x, -y)  

To return it back to the original position we do this:

180 degree rotation:  ( - (-x)  , -  (-y) ) = (x,y)

It confirms that option C is the answer.


tigry1 [53]3 years ago
6 0
An 180-degreee rotation would return the square to its original position.
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Answer:

x = 0

y = 1

Step-by-step explanation:

y = 4x + 1 -------eqn 1

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Looking for x, let's use eqn 1

y = 4x + 1

4x = y - 1

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x = (y - 1) / 4

Substitute the value of x into eqn 2

y = x + 1

y = (y - 1) / 4 + 1

LCM = 4

y =( y - 1 + 4)/4

y =( y + 3) / 4

Cross multiply

y * 4 = y + 3

4y = y + 3

4y - y = 3

3y = 3

Divide both sides by 3, to get y

3y / 3 = 3/3

y = 1

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Divide both sides by 4, to get x

0/4 = 4x/4

0 = x

x = 0

Hint, let's check if the values are correct

Let's pick eqn 2

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Correct

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Correct too

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3 years ago
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Step-by-step explanation:

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