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Subjects
Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsHardLevel 41
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The square of (9) more than a number is (1681). In the positive case, what is the number?

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Answer and explanation

Correct answer: (32)

((x+9)^2=1681) and (x+9=41), so (x=32). If the positive case is clear, take the positive square root.

Related tags

Quadratic EquationsSquare ExpressionNumber Problem

Frequently asked questions

What is the correct answer to this question?

(32)

Why is this the correct answer?

((x+9)^2=1681) and (x+9=41), so (x=32). If the positive case is clear, take the positive square 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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