Question

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Answer 1

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Answer 2

1. First transformation is rotation rotation of 180 about the origin. This transformation has a rule:

(x,y)→(-x,-y).

If points E(-2,-4), F(-1,-1), D(-2,-1) are vertices of triangle EFD, then

• E(-2,-4)→E''(2,4),
• F(-1,-1)→F''(1,1),
• D(-2,-1)→D''(2,1).

2. Second transformation is translation 1 unit left with a rule

(x,y)→(x-1,y).

Then

• E''(2,4)→E'(1,4),
• F''(1,1)→F'(0,1),
• D''(2,1)→D'(1,1).

Answer: 1st: rotation of 180 about the origin; 2nd: translation 1 unit left.