Review — Difficulty 9/10

Pre-calculus · Sequences, series, and limits (intro)

Review skills for this standard. Write answers where shown.

Together with a parent

1. Factor completely: x² − 225 = ___ 2. Rewrite x² + 30x + 21 in square form: ___ 3. Interpret the structure of: 14(x + 1)² − 16

Written review

1. Factor completely: x² − 289 = ___ 2. Rewrite x² + 34x + 23 in square form: ___ 3. Interpret the structure of: 16(x + 1)² − 18 4. Which form reveals zeros? (A) standard (B) factored — letter: ___ 5. Complete the square for x² + 18x + ___ 6. Simplify: √(x² + 28x + 196) for x ≥ 0 = ___

_See printable PDF for diagram._

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Skills checklist

• [ ] Identifies structure in expressions
• [ ] Rewrites in useful equivalent forms
• [ ] Connects forms to graphs or zeros
• [ ] Explains Sequences, series, and limits (intro) without prompts

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