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If a = 3, what is the value of (a + 2)²?

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Question: If a = 3, what is the value of (a + 2)²?

Options:

  1. 25
  2. 36
  3. 49
  4. 16

Correct Answer: 25

Solution: 

(a + 2)² = (3 + 2)² = 5² = 25

If a = 3, what is the value of (a + 2)²?

Practice Questions

Q1
If a = 3, what is the value of (a + 2)²?
  1. 25
  2. 36
  3. 49
  4. 16

Questions & Step-by-Step Solutions

If a = 3, what is the value of (a + 2)²?
  • Step 1: Start with the expression (a + 2)².
  • Step 2: Substitute the value of a, which is 3, into the expression. This gives us (3 + 2)².
  • Step 3: Calculate the value inside the parentheses: 3 + 2 = 5.
  • Step 4: Now we have (5)².
  • Step 5: Calculate 5 squared, which is 5 * 5 = 25.
  • Algebraic Expressions – The question tests the ability to evaluate an algebraic expression by substituting a given value.
  • Exponents – The question involves squaring a number, which tests understanding of exponentiation.
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