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Jaida Mathis
Mathematics
15 November, 12:02
Do, k (-7, y) → (14, - 5) a 1.25b 2.5c 5 d 10
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Gwendolyn
15 November, 12:22
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K (-7; y) → (14; - 5)
(14; - 5) = (-7k; ky) therefore - 7k = 14 and ky = - 5
-7k = 14 ⇒ k = - 2
subtitute to ky = - 5
-2y = - 5 |divide both sides by (-2)
y = 2.5
Answer: b. 2.5
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