Quadratic in Form Equation 3
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Lesson Summary:
In this lesson, the instructor demonstrates how to solve an equation that is quadratic in form. They use a u substitution method and explain how this approach can make factoring easier. Additionally, they show an alternative method for solving the equation by isolating the square root and squaring both sides. Through multiple examples and explanations, the lesson emphasizes the importance of checking solutions and highlights the different tools available for solving quadratic equations.
Lesson Description:
Example of solving an Equation that is Quadratic in form.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you solve an equation in the form au^2 + bu + c = 0?
- How do you solve x - 2x^(1/2) - 15 = 0?
- How do you check your solutions to an equation?
- How do you factor and solve an equation with a square root in it?
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Staff Review
This lesson shows how to solve another problem that is quadratic in form. The technique used is by substituting u for a strategic term, and then u^2 is another term, so the equation looks like a quadratic equation. Then, solve and check your solutions.
