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Anvisha [2.4K]
2 years ago
6

Rotate angle ABC 90 degrees clockwise about the origin and then reflect over the x-axis

Mathematics
1 answer:
Lady_Fox [76]2 years ago
8 0

Rotation and reflection are instances of transformation

See attachment for the new position of  \triangle ABC

From the question, we have:

A = (-1,1)

C = (-2,4)

The rule of 90 degrees clockwise rotation is:

(x,y) \to (y,-x)

Using the above transformation, the new points would be

A' = (1,1)

B' =(3,3)

C' = (4,2)

The next transformation is reflection over the x-axis

The rule of this transformation is:

(x,y) \to (x,-y)

So, the new points would be:

A" = (1,-1)

B" = (3,-3)

C" = (4,-2)

See attachment for the new points

Read more about transformation at:

brainly.com/question/11709244

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1  Multiply the first equation by -1 then add the equations together

3. Multiply the second equation by -1 then add the equations together

4. Multiply the first equation by -2 then add the equations together

5. Multiply the first equation by 2 the second by -1 then add the equations together

Step-by-step explanation:

x+y = 7

2x+y = 5


1  Multiply the first equation by -1 then add the equations together

-x+-y = -7

2x+y = 5

---------------

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2.  Multiply the second equation by -1 first equation by -1 then add the equations together

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3. Multiply the second equation by -1 then add the equations together

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----------------------

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4. Multiply the first equation by -2 then add the equations together

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2x+y = 5

--------------

    -y = -9


5. Multiply the first equation by 2 the second by -1 then add the equations together

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--------------

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