How do you deal with a negative base? In the video, viewers learn how to simplify exponential expressions with negative bases. The video also shows how to distinguish between –a^b and (–a)^b.

Concepts

exponents, properties of exponents

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Additional Tags

math

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Instructional Ideas

• Pause video to have learners solve each problem before advancing

Classroom Considerations

• Pupils need facility with operations with negative numbers
• Individuals should also know that brackets and parentheses are interchangeable

• This video is hosted on YouTube

Pros

• Detailed explanations make the concept easier to understand
• Shows different ways to think about each expression

Cons

• Video only accounts for numerical bases (no variable bases)