Why it matters

• Use degree and leading coefficient to predict end behavior and shape.
• Add, subtract, and multiply polynomials to build and simplify models.
• Factor using GCF, trinomials, and special products to reveal zeros.
• Interpret roots and multiplicity to understand where graphs cross or bounce.
• Sketch polynomial curves quickly for tests and real-world interpretation.
• Model complex systems where simple lines aren’t enough.

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