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If x = 4 and y = 5, what is the value of x² - y²?

Practice Questions

1 question
Q1
If x = 4 and y = 5, what is the value of x² - y²?
  1. -9
  2. 9
  3. 20
  4. 1

Questions & Step-by-step Solutions

1 item
Q
Q: If x = 4 and y = 5, what is the value of x² - y²?
Solution: x² - y² = 4² - 5² = 16 - 25 = -9.
Steps: 0

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