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Do,k(–7, y) → (14, –5)a 1.25b 2.5c 5 d 10
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Jul 28, 2017
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Do,k(–7, y) → (14, –5)a 1.25b 2.5c 5 d 10
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Neil Kodner
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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
Chesley
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Aug 1, 2017
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