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Algebra 2: Sums and Difference of Cubes

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Texas
Instruments

Published on August 28, 2011

- Students will be able to classify expressions as the sum of cubes, difference of cubes, or neither.
- Students will be able to make connections between the graph of a cubic polynomial, in the form of a sum or difference of cubes, and its factors.
- Students will be able to factor expressions in the form of a sum or difference of cubes.

- Cube roots
- Sum of cubes
- Difference of cubes
- Linear factor
- Quadratic factor

This lesson involves factoring expressions that are either the sum of cubes or the difference of cubes. Students will:

- Edit text to find the cube root of terms.
- Pull text boxes to a point to identify binomial expressions as the sum of cubes, difference of cubes, or neither.
- Study the graphs of simple cubic functions, in the form of a sum or difference of cubes, and their linear and quadratic factors.
- Enter text in a spreadsheet to find the binomial factor of an expression that is the sum or difference of cubes.Enter text in a spreadsheet to find the trinomial factor of an expression which is the sum or difference of cubes.

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