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When (5) is added to a number, the square of the result is (225). According to the positive root, what is the original number?
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Answer and explanation
Correct answer: (10)
((x+5)^2=225) and (x+5=15), so (x=10). If the positive root is given, do not take the negative root.
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What is the correct answer to this question?
(10)
Why is this the correct answer?
((x+5)^2=225) and (x+5=15), so (x=10). If the positive root is given, do not take the negative root.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.
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