English

If x2 – 7x = 0; the value of x is ______.

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Question

If x2 – 7x = 0; the value of x is ______.

Options

  • 0 and 7

  • 7

  • 0

  • 0 or 7

MCQ
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Solution

If x2 – 7x = 0; the value of x is 0 or 7.

Explanation:

Given x2 – 7x = 0

`\implies` x(x – 7) = 0

`\implies` x = 0 or x – 7 = 0

i.e. x = 7

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Chapter 5: Quadratic Equations - TEST YOURSELF [Page 61]

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Selina Concise Mathematics [English] Class 10 ICSE
Chapter 5 Quadratic Equations
TEST YOURSELF | Q 1. (e) | Page 61
Selina Concise Mathematics [English] Class 10 ICSE
Chapter 5 Quadratic Equations
EXERCISE 5 (A) | Q 1. (e) | Page 50
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