Class 9 Exam > Class 9 Videos > Mathematics (Maths) Class 9 > Locating Irrational Numbers on a Number Line
Locating Irrational Numbers on a Number Line Video Lecture | Mathematics (Maths) Class 9
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FAQs on Locating Irrational Numbers on a Number Line Video Lecture - Mathematics (Maths) Class 9
| 1. How can I locate irrational numbers on a number line? |  |
Ans. To locate irrational numbers on a number line, you can identify approximate positions based on their decimal expansions. For example, the square root of 2 is approximately 1.41, so you can place it between 1 and 2 on the number line.
| 2. Can irrational numbers be represented as fractions on a number line? | |
Ans. No, irrational numbers cannot be represented as fractions on a number line because they do not have a finite or repeating decimal representation. They are non-terminating and non-repeating decimals.
| 3. How do irrational numbers compare to rational numbers on a number line? | |
Ans. Irrational numbers are located in between rational numbers on a number line. They fill in the gaps between rational numbers and are essentially the "gaps" on the number line that cannot be expressed as fractions.
| 4. Are all square roots irrational numbers? | |
Ans. No, not all square roots are irrational numbers. For example, the square root of 4 is 2, which is a rational number. However, the square root of numbers that are not perfect squares (like the square root of 2 or the square root of 3) are irrational numbers.
| 5. How can I visually represent irrational numbers on a number line? | |
Ans. You can represent irrational numbers on a number line by marking their approximate positions based on their decimal expansions. You can also use visual aids such as shading in the regions between rational numbers to indicate the presence of irrational numbers.
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Dec 18, 2024 Last updated |
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