If (\sqrt{a}=7), which statement about (a) is correct?
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Answer and explanation
Correct answer: (a=49) and is a perfect square
Step 1: If (\sqrt{a}=7), square both sides. Step 2: (a=49), and (49) is a perfect square. Step 3: In square-root equations, square to find the original number.
Frequently asked questions
What is the correct answer to this question?
(a=49) and is a perfect square
Why is this the correct answer?
Step 1: If (\sqrt{a}=7), square both sides. Step 2: (a=49), and (49) is a perfect square. Step 3: In square-root equations, square to find the original number.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.
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