Solving Quadratic Equations with Quadratic Formula 3 Examples
21分44秒
説明
I work through three examples of solving a Quadratic Equation using the Quadratic Formula.
Example 1 at 3:40 has no solution
Example 2 at 9:04 reviews how to simplify radicals and give your answer in exact form.
Example 3 at 15:20 shows why you do not want to divide away a variable. I then show how to work the problem by factoring and using the Quadratic Formula.
Along the way I also give some cautionary notes to help make sure you don't make sign errors or divide away one of your answers.
Completing the Square to Solve Quadratic Equations
• Completing the Square to Solve Quadra...
Factoring Quadratic Trinomial ax^2+bx+c
• Factoring Quadratic Trinomial ax^2+bx+c
Complex Solutions (imaginary) Part 2 of Parabola Quadratic Equation
• Complex Solutions (imaginary) Part 2 ... Find free review test, useful notes and more at http://www.mathplane.com/ If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob
Example 1 at 3:40 has no solution
Example 2 at 9:04 reviews how to simplify radicals and give your answer in exact form.
Example 3 at 15:20 shows why you do not want to divide away a variable. I then show how to work the problem by factoring and using the Quadratic Formula.
Along the way I also give some cautionary notes to help make sure you don't make sign errors or divide away one of your answers.
Completing the Square to Solve Quadratic Equations
• Completing the Square to Solve Quadra...
Factoring Quadratic Trinomial ax^2+bx+c
• Factoring Quadratic Trinomial ax^2+bx+c
Complex Solutions (imaginary) Part 2 of Parabola Quadratic Equation
• Complex Solutions (imaginary) Part 2 ... Find free review test, useful notes and more at http://www.mathplane.com/ If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob
タグ
# Algebra 2
# algebraic equation
# quadratic formula
# solution
# discriminant
# standard form
# practice question
# Mr. Tarrou