A triangle has vertices at A (-5,-4), B (-1,3) and C (6,-2). If ABC~DEF with D (-12,-8) and E (-4,6), what are the coordinates of point F A.(-1,-6) B.(3,9) C.(9,-3) D.(10,-4)

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asked Aug 24, 2019 200k views

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Sheldon Rong · Answer 1 · 2019-08-28T08:17:29+0000

The transformation is scaling by a factor of 2 and a horizontal shift left by 2.
(x, y) ⇒ (2x-2, 2y)
So
C(6, -2) ⇒ F(10, -4)

Selection D is appropriate.

A triangle has vertices at A (-5,-4), B (-1,3) and C (6,-2). If ABC~DEF with D (-12,-8) and-example-1

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A triangle has vertices at A (-5,-4), B (-1,3) and C (6,-2). If ABC~DEF with D (-12,-8) and E (-4,6), what are the coordinates of point F A.(-1,-6) B.(3,9) C.(9,-3) D.(10,-4)

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