Resources W15
Resources
Access this online resources for additional instruction and practice.
Watch all the Video Lectures below.
10.2 Solve Quadratic Equations by Completing the Square
Text: Read the section from Openstax book Links to an external site.
Video Lessons:
Access these online resources for additional instruction and practice with solving quadratic equations by completing the square:
- Introduction to the method of completing the square Links to an external site.
- How to Solve By Completing the Square Links to an external site.
- Solve a Quadratic Equation by Completing the Square (5:41)
- Completing the Square - Leading Coefficient Not 1 (5:47)
10.3 Solve Quadratic Equations Using the Quadratic Formula
Text: Read the section from Openstax book Links to an external site.
Video Lessons:
Access these online resources for additional instruction and practice with using the Quadratic Formula:
- Solving Quadratic Equations: Solving with the Quadratic Formula Links to an external site.
- How to solve a quadratic equation in standard form using the Quadratic Formula (example) Links to an external site.
- Solving Quadratic Equations using the Quadratic Formula—Example 3 Links to an external site.
- Solve Quadratic Equations using Quadratic Formula Links to an external site.
- Quadratic Formula (4:16)
- Solve a Quadratic Equation Using the Quadratic Formula (4:21)
10.4 Solve Applications Modeled by Quadratic Equations
Text: Read the section from Openstax book Links to an external site.
Video Lessons:
Access these online resources for additional instruction and practice with solving word problems using the quadratic equation:
- General Quadratic Word Problems Links to an external site.
- Word problem: Solve a projectile problem using a quadratic equation Links to an external site.
- Find the Lengths of Three Sides of a Right Triangle (6:36)
- Application Using Formulas - Rocket Launch (7:38)
10.5 Graphing Quadratic Equations in Two Variables
Text: Read the section from Openstax book Links to an external site.
Video Lessons:
Access these online resources for additional instruction and practice graphing quadratic equations:
- Graphing Quadratic Functions Links to an external site.
- How do you graph a quadratic function? Links to an external site.
- Graphing Quadratic Equations Links to an external site.
- Determine Key Components and Graph a Quadratic Function (6:50)
- Quadratic Model Application - Ticket Price to Maximize Revenue (7:51)