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Understanding the Discriminant
In this worksheet, 11th graders use the quadratic formula to find the discriminant. The discriminant tells how many and what kinds of solution a quadratic equation has. There are 22 question son this worksheet.
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The Rising Cost of College: Tuition, Financial Aid, and Price Discrimination
Are average college tuition and fees really rising in the United States? Here is a fascinating take on the rising cost of college tuition and how price discrimination may explain what is often seen as an insurmountable cost for higher...
9th - 12th Math CCSS: Designed
Investigating the Discriminant
When is finding the discriminant enough? Using the quadratic formula helps find solutions to quadratic equations, but there are times when just using the discriminant is appropriate. Use this algebra II activity to help classes see the...
9th - 12th Math CCSS: Adaptable
Recognizing When Radical Expressions are Undefined
Many times budding algebrists are fine when plugging specific numbers into expressions, but less certain when the range of acceptable values is undetermined. This detailed presentation helps the class move from the point value to the...
6 mins 8th - 12th Math CCSS: Designed