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dem82 [27]
3 years ago
9

20) Which rule yields the dilation of the figure RSTU centered at the origin?

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
A) (x,y)->(4x,4y) because the x and y values are multiplied by 4 when dilated. Ex. U(-1,1) was dilated to U’(-4,4). -1 was multiplied by 4 to get -4 for the x value and 1 was multiplied by 4 to get 4 for the y value.
snow_lady [41]3 years ago
5 0

Answer:   A) (x,y)\to(4x,4y)

Step-by-step explanation:

The rule of dilating a shape by scale factor k centered at the origin is given by :-

(x,y)\rightarrow (kx,ky)  [We multiply k to the coordinates of pre-image ]

It means Option C) and D) is incorrect.

From the given graph , it can be observe that quadrilateral R'S'T'U' (image) is larger than the RSTU (pre-image) .

It means the scale factor should be greater than 1. [∵ Scale factor for enlargement is k>1]

Then, Option B is also incorrect.

Hence, the rule yields the dilation of the figure RSTU centered at the origin is given by option A)

i.e. (x,y)\to(4x,4y)

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