Khan Academy
Khan Academy: Algebra: Solving Radical Equations 1
Video solving an equation with a square root by isolating the square root and then squaring both sides of the equation. Also checks the solution to make sure it holds true in the original equation. [2:14]
Khan Academy
Khan Academy: Algebra: Simplifying Cube Roots
Video simplifying the cube root of an algebraic expression by identifying perfect cubes. [5:24]
Khan Academy
Khan Academy: Algebra: Scientific Notation I
Video explaining scientific notation and negative exponents and then writing an example of a very small number in scientific notation. [4:12]
Khan Academy
Khan Academy: Algebra: Pythagorean Theorem 3
The video tutorial lesson [3:00] demonstrates the solving the width of a rectangular carpet by using the Pythagorean theorem, given the length and the diagonal of the rectangle.
Khan Academy
Khan Academy: Algebra: Solving Radical Equations 3
Video solving a radical equation that results in a quadratic equation tha can be solved by taking the square root. Checks solution to make sure it holds true in original equation. [4:22]
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Khan Academy: Algebra I Worked Examples: Simplifying Radical Expressions 2
The educational resource consists of a video on how to simplify radical expressions. Learners watch a step-by-step example to learn about the algebra concept.
Khan Academy
Khan Academy: Algebra: Officer on Horseback
Students learn how to solve an algebra word problem involving an officer on horseback. The video resource consists of an example with a detailed explanation. [8:54]
Khan Academy
Khan Academy: Algebra: More Advanced Ratio Problems
The algebra resource demonstrates how to solve advanced ratio problems. Students learn about the concept through a video tutorial. [9:58]
Khan Academy
Khan Academy: Algebra: Overtaking Word Problem
Students learn how to solve an algebra word problem involving three different rates. The video resource consists of an example with a detailed explanation. [9:52]
Khan Academy
Khan Academy: Algebra: Passed Bike Word Problem
Students learn how to solve an algebra word problem involving a train passing a bike. The video resource consists of an example with a detailed explanation. [5:54]
Khan Academy
Khan Academy: Algebra: Passing Trains
Students learn how to solve an algebra word problem involving trains passing at different rates. The video resource consists of an example with a detailed explanation. [9:07]
Khan Academy
Khan Academy: Algebra: Functions 4
Functions are investigated in this video tutorial. Students learn about the algebra concept through detailed examples. [6:07]
Khan Academy
Khan Academy: Algebra I Worked Examples: Simplifying Radical Expressions 3
The educational resource consists of a video on how to simplify radical expressions. Learners watch a step-by-step example to learn about the algebra concept.
Khan Academy
Khan Academy: Algebra: Introduction to Functions
Functions are investigated in this video tutorial. Students learn about the algebra concept through detailed examples. [9:32]
Khan Academy
Khan Academy: Algebra: Alternate Solution to Ratio Problem
The algebra resource demonstrates how to find an alternate solution to an advanced ratio problem. Students learn about the concept through a video tutorial. [7:02]
Khan Academy
Khan Academy: Algebra: Conic Sections: Hyperbolas 2
The video tutorial [7:29] discusses conic sections. Students learn about hyperbolas. The resource consists of examples with detailed explanations.
Khan Academy
Khan Academy: Algebra: Conic Sections: Hyperbolas 3
The video tutorial [10:29] discusses conic sections. Students learn about hyperbolas. The resource consists of examples with detailed explanations.
Khan Academy
Khan Academy: Algebra: Conic Sections: Intro to Ellipses
The video tutorial discusses conic sections. Students learn about ellipses. The resource consists of examples with detailed explanations. [14:14]
Khan Academy
Khan Academy: Algebra I Worked Examples: Mixture Problems 2
This video explores how to solve word problems. Students watch a video example on how to solve a mixture problem. [6:43]
Khan Academy
Khan Academy: Algebra: Introduction to Conic Sections
The video tutorial discusses conic sections. Students learn how what a conic section is and why they are called conic sections. The resource consists of a detailed explanation of the concept. [10:58]
Khan Academy
Khan Academy: Algebra: Foci of an Ellipse
The video tutorial examines the ellipse. Students learn how to calculate the foci of an ellipse. The resource consists of examples with detailed explanations. [13:49]
Khan Academy
Khan Academy: Algebra I Worked Examples: Direct Variation 1
Students watch a detailed example about direct variation. A video tutorial examines the algebra concept. [3:39]
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing 2
The video [3:26] examines systems of equations. Students watch an example on how to solve systems by graphing.