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10 questions from this quiz
It also doubles
DIVIDE for ONE, then TIMES for ALL
It halves
TIMES for ONE, then DIVIDE for ALL
Is proportional to
y=kxy = kxy=kx
y=kxy = \frac{k}{x}y=xk
y=kx2y = kx^2y=kx2
A value that stays the same
Write proportionality & replace ∝\propto∝ with =k= k=k
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