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Unit 6 of 15 · 3 skills

Inequalities (Systems & Graphs)

Decide how a two-variable inequality is drawn, and find points that satisfy two at once.

Unit prize

Half-Plane Rug · finish all 3 skills

100 Bridgeysacross the unit

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“Algebra is but written geometry and geometry is but figured algebra.
Sophie Germain · French mathematician, 1776 to 1831Mémoire sur les surfaces élastiques, as quoted in Memorabilia Mathematica, 1914