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  1. 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 …

  2. Functions and linear models | Pre-algebra | Math | Khan Academy

    Linear equations word problems: volcano Linear equations word problems: earnings Modeling with linear equations: snow Linear function example: spending money Fitting a line to data

  3. Linear equations & graphs | Algebra 1 | Math | Khan Academy

    Modeling with linear equations and inequalities Learn Comparing linear rates example Linear equations & graphs: FAQ

  4. Understanding linear relationships | Lesson - Khan Academy

    There is a linear relationship between the shipping charge and the weight of the merchandise. Write a function in slope-intercept form that relates y , the shipping charge in dollars, and x , the …

  5. 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 equations, …

  6. Intro to linear equation standard form - Khan Academy

    The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both …

  7. Functions | Algebra 1 | Math | Khan Academy

    About this unit A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions. Unit guides are here! Power up your …

  8. Worked example: domain & range of piecewise linear functions

    Finding the domain and range of a piecewise function where each segment is linear.

  9. Linear & nonlinear functions: word problem - Khan Academy

    Learn to determine if the relationship described in a word problem is a function.

  10. Linear equations and inequalities - Math | Khan Academy

    Unit 3: Linear equations and inequalities 1,400 possible mastery points Mastered Proficient