DiscoverAlgebraic Reasoning2.2b Symbol representation
2.2b Symbol representation

2.2b Symbol representation

Update: 2011-05-14
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Recognize that a symbol represents the same number throughout an equation or expression (e.g., Δ + Δ = 8; thus, Δ = 4).

http://emed.nucenter.org:8171/2011-05-13/2.2b+Symbol+representation-1.m4v
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0.5x

0.8x

1.0x

1.25x

1.5x

2.0x

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2.2b Symbol representation

2.2b Symbol representation

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