
Linear equations and functions | 8th grade math | Khan Academy
When distances, prices, or any other quantity in our world changes at a constant rate, we can use linear functions to model them. Let's learn how different representations, including graphs and …
Linear equations & graphs | Algebra 1 | Math | Khan Academy
Practice Up next for you: Solutions to 2-variable equations Get 3 of 4 questions to level up!
Recognizing linear functions (video) | Khan Academy
Think of linear as just a line. A linear function is one that, when graphed, forms a line. Linear functions are in the form: f(x) = ax + b, where a and b are constants.
Linear equations, functions, & graphs | Khan Academy
This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing …
Linear equations and functions | Khan Academy
Linear equations like y = 2x + 7 are called "linear" because they make a straight line when we graph them. These tutorials introduce you to linear relationships, their graphs, and functions.
Compare linear functions | 8th grade (practice) | Khan Academy
8th grade math Course: 8th grade math > Unit 3 Lesson 10: Comparing linear functions Comparing linear functions: equation vs. graph Comparing linear functions: same rate of …
Comparing linear functions: equation vs. graph - Khan Academy
Zachary, One way to say it is that: A linear function is an equation that's solution set of (x,y) pairs when graphed would create a line on the graph.
Algebra 1 | Math | Khan Academy
The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …
Functions | Algebra (all content) | Math | Khan Academy
This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition - …
Forms of linear equations | Algebra 1 | Math | Khan Academy
About this unit We can write linear equations in different forms to reveal different features of the scenarios they describe. Let's get clever. Unit guides are here! Power up your classroom with …