MathLiveLinear function
Gives the value of a straight-line function at x from its slope a and y-intercept b. Used to model any relationship where the output changes at a constant rate with the input.
f(x)=ax+bWhat the symbols mean
| value of the function at input x | |
| slope (constant rate of change) | |
| y-intercept, the value of f at x = 0 | |
| independent variable |
About this formula
- FieldMathematics
- TopicFunctions
- LevelHigh school
- Also calledslope-intercept form, equation of a straight line, affine function, straight-line function, line equation, line
- SourceWikidata Q188597
Write it in Obsidian
MathLive is a free visual math editor for Obsidian. Run Find a formula, type “linear function”, and it goes into your note as editable LaTeX. You can also scan formulas from screenshots, PDFs and handwriting.