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serg [7]
2 years ago
11

Please help

Mathematics
1 answer:
kakasveta [241]2 years ago
4 0

Answer: A.(3x,3y)

Step-by-step explanation:

In the given graph,

Triangle A'B'C' is an image of Triangle ABC after dilation.

Algebraic rule for dilation (with center =origin)

(x,y)\to (kx,ky)     , where k= scale factor.

Coordiantes of A = (1,1)  Coordinates of A' = (3,3)

Scale factor = \dfrac{\text{x-coordinate in image}}{\text{ x-coordinate in pre-image}}

=\dfrac31=3

Hence, the required algebraic rule : (3x,3y)

The correct option is A.

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