Question

What are the coordinates of the image a ABC after a dilation with center (0,0) and a scale factor of 3? Explain how you got your answers.​

Answer 1

A(6,6) B(12,18)C (18,6)

Explanation:

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Answer 2

1) List the coordinates ΔABC

• A(2,2) , B(4,6), C(6,2)

2) State the rule of dilation

• (x,y) → (3x,3y)

3) Apply the rule:

• A´. (2,2) A´(3(2),3(2)) =A´(6,6)

• B´. (4,6) B´(3(4),3((6)= B´(12,18)

• C´. (6,2) C´(3(6),3(2))=C´(18,6)

Ans: A´(6,6) B´(12,18)C´(18,6)

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