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Anastaziya [24]
3 years ago
9

Can some one help me with Dilation rule plz

Mathematics
1 answer:
inna [77]3 years ago
8 0

Answer:

B. (x, y)  -->  (7/2x, 7/2y)

Step-by-step explanation:

I can't tell for sure, so I am assuming the large circle is the image, Circle C', and the small circle is the original circle C.

The radius of circle C is 2 units.

The radius of circle C' is 7 units.

To find the scale of the dilation divide the new size by the old size.

New size: 7 units

Old size: 2 units

scale: 7/2

The scale of the dilation is 7/2.

Answer: B. (x, y)  -->  (7/2x, 7/2y)

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Explain why figure b is not the image of figure a after a reflection using line l
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Answer:

See below

Step-by-step explanation:

Figure A has a square cut out into it as figure B has a trapezoid cut out into it.

A reflection is mirroring an image, this means that the image must be identical to its reflected image.

Because figure A and B have different shapes cut into it they are not identical and can therefore not be reflections.

8 0
3 years ago
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Step-by-step explanation:

x+2

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nata0808 [166]

Answer:

Step-by-step explanation:                               x - 6

The given equation can be re-written as y = ---------                              

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Arbitrarily choose x = 0.  Then:

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y = --------- = ----------- = 2, so (0, 2) is a point on the graph which is also the                              

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Arbitrarily choose x = 6.  Then y = 0, and (6, 0) is another point on the graph                                    

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arbitrarily choose x = 12.  Then y = (12 - 6) / (-3) = -2.  Then  (12, -2) is            

                                                                                  another point on the

                                                                                  graph.

Plot (12, -2), (6, 0) and (0, 2).  Draw a line through these three points.

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7-8th grade math level
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Step-by-step explanation:

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