3 years ago

Which ordered pair would form a proportional relationship with the points in the graph? (4, 4) (6, 9) (9, 6) (8, 5)

Mathematics

2 answers:

Citrus2011 [14]3 years ago

8 0

Answer:the answer is 9,6

Step-by-step explanation:

I JUST TOOK THE QUIZ

FrozenT [24]3 years ago

7 0

Answer:

C (9,6) did it on edge

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amm1812

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Step-by-step explanation:

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3 years ago

Establish the identity. (2 cos 0-6 sin 0)² + (6 cos 0+2 sin 0)2 = 40

kogti [31]

Rewriting the left-hand side as follows,

$(2\cos\theta-6\sin \theta)^2 +(6\cos \theta+2\sin \theta)^2\\\\=4\cos^2 \theta-24\cos \theta \sin \theta+36 \sin^2 \theta+36 \cos^2 \theta+24 \cos \theta \sin \theta+4 \sin^2 \theta\\\\=40\cos^2 \theta+40 \sin^2 \theta\\\\=40(\cos^2 \theta+\sin^2 \theta)\\\\=40$