
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 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, 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
Unit 7: Linear equations and functions 2,700 possible mastery points Mastered Proficient
Comparing linear functions: equation vs. graph - Khan Academy
For a linear equation of the form y = mx + b, y is an increasing function of x if m is positive, a constant function of x if m is zero, and a decreasing function of x if m is negative.
Compare linear functions | 8th grade (practice) | Khan Academy
Function 1 is defined by the equation y = 7 2 x 3 . Function 2 is defined by line f , shown on the following graph. Which function has a greater y -intercept?
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 …
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 …
Understanding linear relationships | Lesson - Khan Academy
Linear functions are usually written in either slope-intercept form or standard form. We need a thorough and flexible understanding of these forms in order to approach many SAT questions …