Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios.Ībout Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. In these tutorials, we'll cover a lot of ground. It's used by people with lots of different jobs, like carpentry, engineering, and fashion design. Without it, it's impossible to move forward. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. It's also seen as a "gatekeeper" subject. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. Practice this lesson yourself on right now:Īlgebra I on Khan Academy: Algebra is the language through which we describe patterns. (+) Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 × 3 or greater). (+) Represent a system of linear equations as a single matrix equation in a vector variable. For example, find the points of intersection between the line y = -3x and the circle x2 + y2 = 3. Solve a simple system consisting of a linear equation and a quadratic equation in two variables algebraically and graphically. Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.
By the end of this playlist, students will be able to understand and solve problems involving linear equations. The playlist is an excellent resource for students to review or study for a test or final. These videos each cover specific topics and concepts learned in Algebra I classes. Teachers can use these videos to support their lesson plans and engage students. This playlist consists of 22 videos all about systems of linear equations.
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