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mash [69]
3 years ago
12

Triangle CDE with vertices C(-2,-2) D(1,-4) and E(-3,-4) has a dilation with scale factor of 4 centered (-1,-3) and reflected ac

ross the line y=-x
Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer:Mr. Sullivan places tiles numbered 1 through 18 in a bag and assigns a number to represent each of the 18 students in his class. Students will present their final reports in the order that their assigned tiles are drawn from the bag. Is Mr. Sullivan being fair? Use the drop-down menus to explain your answer.

Step-by-step explanation:

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Rectangle PQRS is dilated by a scale factor of 2 (k=2) with the origin as the center. What are the coordinates of R('?
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Answer:

Correct Answer: (8,2)

Step-by-step explanation:

<u>Dilation about the origin</u>

Most dilations in the coordinate plane use the origin, (0,0), as the center of the dilation.

In such cases, every point (x,y) dilated by a factor of k is mapped to the point (kx,ky).

The point R=(4,1) is dilated by a scale factor of 2 (k=2), thus the coordinates of its image are (2*4,2*1) = (8,2)

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Step-by-step explanation:

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