Better Lesson
Better Lesson: Rewriting Formulas
In this instructional activity, students explore "real-life" resources that make use of literal equations (rewriting known formulas) to help make people's lives easier. Students will use Excel to design formulas that find a specific...
Department of Defense
Do Dea: Spreadsheet Software: M2:l3: Working Smarter: Copy Formulas and Functions
In Module 2 Lesson 3 of this course on spreadsheets, students learn how to save time when setting up a spreadsheet by copying functions and formulas. Includes slideshow tutorials.
Department of Defense
Do Dea: Spreadsheet Software: M2: L5: Show Me Your Skills: Practice Skills
In Module 2 Lesson 5 of this course on spreadsheets, students review what they have learned in the previous four lessons about formulas, functions, and manipulating a spreadsheet. Content is stored in the Resources section. Practice...
University of Illinois
University of Illinois: Quadratic Formula
This site from the University of Illinois offers an excellent simulation of the quadratic formula, where you can type in different values for a, b, and c, and then view the change in the answer for x.
Purple Math
Purplemath: The Quadratic Formula Explained
An excellent discussion on solving quadratic formulas, accompanied by numerous examples.
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