Brian McLogan
Graphing an ellipse and identify the major parts
Learn how to graph horizontal ellipse not centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the...
Brian McLogan
Given vertices and asymptotes, write the equation of the hyperbola
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Brian McLogan
Conics - Find the formula for a hyperbola
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Brian McLogan
Adding and Subtracting radical expressions
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Khan Academy
Khan Academy: Algebra: Introduction to Logarithms
Explains what a logarithm is and the relationship between logarithms and exponents. Practice problems available. [9:48]
Khan Academy
Khan Academy: Algebra: Advanced Ratio Problems
The video tutorial explores advanced ratio problems. The resource investigates the algebra concept through detailed explanations and examples. [9:58]
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]
Khan Academy
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.