Worksheets — Set 9

Algebra II · Honors · Sequences, series, and summation

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Factor completely: x² − 169 = ___ 2. Rewrite x² + 26x + 19 in square form: ___ 3. Interpret the structure of: 12(x + 1)² − 14

_See printable PDF for diagram._

Written practice

1. Factor completely: x² − 144 = ___ 2. Rewrite x² + 24x + 18 in square form: ___ 3. Interpret the structure of: 11(x + 1)² − 13 4. Which form reveals zeros? (A) standard (B) factored — letter: ___ 5. Complete the square for x² + 13x + ___ 6. Simplify: √(x² + 18x + 81) for x ≥ 0 = ___ 7. Factor completely: x² − 225 = ___ 8. Rewrite x² + 30x + 21 in square form: ___

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More written practice

1. Interpret the structure of: 14(x + 1)² − 16 2. Complete the square for x² + 16x + ___ 3. Simplify: √(x² + 24x + 144) for x ≥ 0 = ___ 4. Factor completely: x² − 324 = ___ 5. Rewrite x² + 36x + 24 in square form: ___ 6. Interpret the structure of: 17(x + 1)² − 19

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Patterns and rules

1. Factor completely: x² − 841 = ___ 2. Rewrite x² + 58x + 35 in square form: ___ 3. Interpret the structure of: 28(x + 1)² − 30

_See printable PDF for diagram._

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Parent tip: Look for common factors and special patterns