lesson
Algebraic Identity a² - b² = (a+b)(a-b) Using Area Models
Use area models to visualize and derive the difference of squares identity.
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Algebraic Identities
5 lessons
Goal
Derive and apply algebraic identities for binomial squares, difference of squares, and binomial cubes to simplify and expand expressions.
5 lessons
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Learning standards covered
HSN.RN.A.2Common Core State Standards · Math · 9th GradeRewrite expressions involving radicals and rational exponents using the properties of exponents.
Open Global Standard:OGM.12.NUM.2
HSN.CN.C.8Common Core State Standards · Math · 9th Grade(+) Extend polynomial identities to the complex numbers. For example, rewrite x2 + 4 as (x + 2i)(x - 2i).
Open Global Standard:OGM.12.NUM.4
OGM.12.NUM.2OGM.12.NUM.4