Identify and apply patterns for squaring binomials and the product of sum and difference.
Sample quiz questions
What is the general expansion formula for the square of a sum, (a + b)²?
- A. a² + b²
- B. a² + 2ab + b²
- C. a² - 2ab + b²
- D. a² + ab + b²
Which of the following represents the expansion of (x - y)²?
- A. x² - y²
- B. x² + 2xy - y²
- C. x² - 2xy + b²
- D. x² - 2xy + y²
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