College Algebra / Unit 7 Alg 358 short lesson, about 20 seconds
Turning Points
Captions available
The idea
A polynomial of degree n has at most n − 1 turning points — the places where rising hands off to falling or back.
In practice
x³ − 3x + 2, degree 3, turns twice — near x = −1 and x = 1 — and can never turn a third time.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
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