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7 Cards in this Set

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Midpoint

Gradient

Algebra fractions

Gradient #2

Upper and lower bounds

Inequality

Y>2


X <3


X+y <5

Inverse proportion

Replace the proportion symbol with =K


In verse proportion is a fraction


S♧1/f^2


S=k/f^2


When f=8 s=12.5


125=k/8^2


125=k/64


64×125=k


K=8000


S=8000/f^2




Find s when f=4


S=8000/4^2


S=8000/16


S=500