Answer:
(x, y) ⇒ (x -10, y +8)
Explanation:
You want the translation rule that gets you from ∆DEF to ∆D'E'F'.
Translation
The amount of translation will be the difference between corresponding points:
(∆x, ∆y) = D' -D
(∆x, ∆y) = (-3, 4) -(7, -4) = (-3 -7, 4 +4) = (-10, 8)
The rule is ...
(x, y) ⇒ (x +∆x, y +∆y)
(x, y) ⇒ (x -10, y +8)
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