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Unit 3: Linear equations, functions, & graphs. Our mission is to provide a free, world-class education to anyone, anywhere.
Linear equations & graphs: Unit test About this unit Let's explore different ways to find and visualize slopes and intercepts, and how these concepts can help us solve real-world problems.
Explore. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today! About. News. Impact. Our team. Our interns.
Unit 4: Systems of linear equations. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!
Learn linear algebra—vectors, matrices, transformations, and more. Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.
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We've seen linear and exponential functions, and now we're ready for quadratic functions. We'll explore how these functions and the parabolas they produce can be used to solve real-world problems.
Analyzing the number of solutions to linear equations. Learn. Number of solutions to equations. Worked example: number of solutions to equations. Creating an equation with no solutions.
Learn what a function is in mathematics with this video from Khan Academy.
Solving basic equations & inequalities (one variable, linear) | Khan Academy.