2.1 - Standard Identities
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Practice Questions
Test your understanding with targeted questions
Expand (x + 2)².
💡 Hint: Use the identity (a + b)².
What is the result of (5 - 3)²?
💡 Hint: What does squaring mean?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the expanded form of (a + b)²?
💡 Hint: Remember the format for squaring a binomial.
True or False: a² + b² = (a + b)².
💡 Hint: Think of the formula for squaring a sum.
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Challenge Problems
Push your limits with advanced challenges
Prove the identity a² - b² = (a + b)(a - b) using a visual aid.
💡 Hint: Use area to show how they relate.
Create a simple real-world problem using (a + b)² to model a situation and solve it.
💡 Hint: Think of how area measures combine.
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Reference links
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