Algebra 1 · Linear Functions
Linear Function
Algebra 1 · Linear Functions
Definition
A linear function is a function whose graph is a straight line, with a constant rate of change.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- y = 2x + 1 is a linear function.
- y = −x + 4 is a linear function.
Key rule
A linear function changes by a constant amount for each step in x.
Memory hook
Linear = a straight line, steady rate.