know the difference between an equation and an identity; argue mathematically to show algebraic expressions are equivalent, and use algebra to support and construct argumentsand proofs
A6-01 [Equations vs Identities]
A6-02 [Show Two Expressions are Equivalent Example 1]
A6-03 [Show Two Expressions are Equivalent Example 2]
A6-04 [Equating Coefficients]
A6-05 [Equating Coefficients Example 1]
A6-06 [Equating Coefficients Example 2]
A6-07 [Equating Coefficients Example 3]
A6-08 [Equating Coefficients Example 4]
A6-09 [Even x Even, Even x Odd, Odd x Odd]
A6-10 [Evens & Odds Example]
A6-11 [If k is an Integer, then 2k, 2k+1 and 2k-1 are…]