Thirty-Six

Unit 4 · 3 skills

Expressions, Quadratics & Polynomials

Expand, factor, solve, and handle the tricky equations.

  • 5 lessons
  • 150 min of lessons so far
  • Unit boss

Your progress

 
Lesson 4.1

Skills covered

  • A1 · StructuresExpressions: Expand & FactorModular Tank Segments
  • A5 · StructuresQuadratics & PolynomialsParabolic Bulkheads
  • A6 · StructuresRational & Radical EquationsCryogenic Insulation

Lessons

  1. 4.1Polynomial OperationsCombine, add, subtract, and multiply polynomials without losing a sign.30 min 
  2. 4.2Factoring & Algebraic IdentitiesFactor common factors, trinomials, and special products quickly and accurately.30 min 
  3. 4.3Solving QuadraticsChoose factoring, square roots, the quadratic formula, or Desmos for any quadratic.30 min 
  4. 4.4Polynomial Zeros & StructureConnect zeros, factors, remainders, and polynomial graphs in hard ACT problems.30 min 
  5. 4.5Rational & Radical EquationsRespect domains, clear denominators, isolate radicals, and reject extraneous roots.30 min 

Challenge sets

Optional, hardest-level questions at the end of each lesson. This is where a 36 is won.

Unit bossSeal Expressions, Quadratics & PolynomialsA mixed set across every skill in this unit. Pass it to earn the unit seal.