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bezimeni [28]
3 years ago
7

Graph the polygon and its image after a dilation centered at C(1,1)

Mathematics
1 answer:
Grace [21]3 years ago
6 0

Now we proceed to present the graphs of the polygon and its image with the help of a graphing tool. The <em>original</em> polygon is highlighted in <em>red</em> and the image is highlighted in <em>blue</em>.

DIlations are defined by the follwing operation:

P'(x,y) = O(x,y) + k\cdot [P(x,y)-O(x,y)] (1)

Where:

  • O(x,y) - Center of dilation.
  • k - Dilation factor.
  • P(x,y) - Original point of the polygon.
  • P'(x,y) - Dilated point of the polygon.

If we know that O(x,y) = (1,1), k = 0.5, J(x,y) = (3,1), K(x,y) = (5, -3), L(x,y) = (5,5) and M(x,y) = (3,7), then the coordinates of the new polygon are:

J'(x,y) = (1,1) + 0.5\cdot [(3,1)-(1,1)]

J'(x,y) = (1,1)+0.5\cdot (2,0)

J'(x,y) = (1,1) +(1,0)

J'(x,y) = (2,1)

K'(x,y) = (1,1) + 0.5\cdot [(5,-3)-(1,1)]

K'(x,y) = (1,1) +0.5\cdot (4,-4)

K'(x,y) = (1,1) +(2,-2)

K'(x,y) = (3,-1)

L'(x,y) = (1,1) + 0.5\cdot [(5,5)-(1,1)]

L'(x,y) = (1,1) + 0.5\cdot (4,4)

L'(x,y) = (1,1) + (2,2)

L'(x,y) = (3,3)

M'(x,y) = (1,1) + 0.5\cdot [(3,7)-(1,1)]

M'(x,y) = (1,1) +0.5\cdot (2,6)

M'(x,y) = (1,1) +(1,3)

M'(x,y) = (2,4)

Now we proceed to present the graphs of the polygon and its image with the help of a graphing tool. The <em>original</em> polygon is highlighted in <em>red</em> and the image is highlighted in <em>blue</em>.

We kindly invite to check this question on dilations: brainly.com/question/13176891

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The function can be expressed as a rational function is \rm\dfrac{x-5}{3x}.

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