College Algebra / Unit 6 Alg 302 short lesson, about 20 seconds
Direction from the Slope
Captions available
The idea
A linear function is increasing when its slope is positive, decreasing when negative, and constant when the slope is zero.
In practice
f(x) = 3x − 6 rises everywhere; g(x) = −x + 10 falls everywhere; h(x) = 7 stays put — one sign, one verdict.
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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