Lesson 3 of 5Module 2 · 0% of course
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Number Sense & Algebra · Algebra

Systems of Equations

Two or more equations that must hold at once. Solve by graphing, substitution and elimination; recognize one, none or infinitely many solutions; and use systems for mixtures, pricing and portfolio problems.

30 min · 6 steps · videoJump to quiz ↓
History of Mathematics - Classical algebra: equation solving 1800 BC - AD 1800. 3rd Year Lecture Oxford Mathematics · 52 min
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Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: Linear functions & graphs. Next: Quadratics. Follows Khan Academy Algebra 1 'Systems of equations'; matrices generalize this in Linear Algebra › Solving linear systems.
Next: 1. What a solution means

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