Unit 2 · Algebra

Chapter 2.2

Rates, Ratios, and Percents

Speed, shared work, discounts, and mixtures are one idea in different settings: an amount per unit.

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By the end

  1. 01Combine rates for things moving toward each other or working together
  2. 02Chain percent changes as multipliers
  3. 03Rescale ratios to a common part

In unit 2

  1. 2.1Choosing the Unknown
  2. 2.2Rates, Ratios, and Percents
  3. 2.3Averages Are Totals in Disguise
  4. 2.4Factor Before You Compute
  5. 2.5Quadratics and Their Roots
  6. 2.6Arithmetic and Geometric Sequences
  7. 2.7Sequences Built From Their Past
  8. 2.8Functions, Graphs, and Absolute Value
  9. 2.9Which Idea Opens It? Algebra
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