Unit 6: Say it With Symbols Name: ____________________________ 1.1-1.2: Writing Equivalent Expressions (Combining Like Terms) Like terms: Terms with the same variable raised to the same power. In the expression 4x2 + 3x 2x2 2x + 1, 3x and are like terms, − − −2x and 4x2 and are like terms. −2x2 Ex: Identify like terms a) 3t, 5w², 7t, 4w², 8v, 5w b) 9a, 9a³, 6b, 6 t, Ex: Simplify by Combining like terms a) 6t + 3t c) 15a 4b + 7 – b) 7x 4x d) 3a² + 5b + 11b² 4b + 2a² 6 – − −
Unit 6: Say it With Symbols Name: ____________________________ 1.1-1.2: Writing Equivalent Expressions (Combining Like Terms) Like terms: Terms with the same variable raised to the same power. In the expression 4x2 + 3x − 2x2 − 2x + 1, 3x and −2x are like terms, and 4x2 and −2x2 are like terms. Ex: Identify like terms a) 3t, 5w², 7t, t, 4w², 8v, 5w b) 9a, 9a³, 6b, 6 Ex: Simplify by Combining like terms a) 6t + 3t b) 7x – 4x c) 15a – 4b + 7 d) 3a² + 5b + 11b² − 4b + 2a² − 6