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If a = 5 and b = 2, what is the value of (a - b)²?

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Question: If a = 5 and b = 2, what is the value of (a - b)²?

Options:

  1. 9
  2. 25
  3. 49
  4. 1

Correct Answer: 9

Solution: 

(a - b)² = (5 - 2)² = 3² = 9.

If a = 5 and b = 2, what is the value of (a - b)²?

Practice Questions

Q1
If a = 5 and b = 2, what is the value of (a - b)²?
  1. 9
  2. 25
  3. 49
  4. 1

Questions & Step-by-Step Solutions

If a = 5 and b = 2, what is the value of (a - b)²?
  • Step 1: Identify the values of a and b. Here, a = 5 and b = 2.
  • Step 2: Substitute the values of a and b into the expression (a - b)².
  • Step 3: Calculate (5 - 2). This equals 3.
  • Step 4: Now, square the result from Step 3. So, calculate 3².
  • Step 5: The result of 3² is 9.
  • Basic Arithmetic Operations – The question tests the ability to perform subtraction and exponentiation.
  • Order of Operations – It assesses understanding of the correct sequence in which to perform operations.
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