Concept-wise Practice

degree-check MCQ Questions for Class 9

degree-check se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

4 questions tagged with degree-check.

किस विकल्प में बहुपद और उसकी घात दोनों सही हैं?

In which option are the polynomial and its degree both correct?

Explanation opens after your attempt
Correct Answer

A. \(5x^6-2x^3+1\), घात (6)\(5x^6-2x^3+1\), degree (6)

Step 1

Concept

In the first option, all powers are non-negative integers and the highest power is (6). The other options are not polynomials.

Step 2

Why this answer is correct

The correct answer is A. \(5x^6-2x^3+1\), घात (6) / \(5x^6-2x^3+1\), degree (6). In the first option, all powers are non-negative integers and the highest power is (6). The other options are not polynomials.

Step 3

Exam Tip

पहले विकल्प में सभी घातें शून्य या धनात्मक पूर्णांक हैं और सबसे बड़ी घात (6) है। बाकी विकल्प बहुपद नहीं हैं।

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किस विकल्प में बहुपद की सही पहचान और घात दोनों दी गई हैं?

Which option gives both the correct identification and degree of the polynomial?

Explanation opens after your attempt
Correct Answer

C. \(3x^5-2x^2+7\), बहुपद, घात (5)\(3x^5-2x^2+7\), polynomial, degree (5)

Step 1

Concept

In \(3x^5-2x^2+7\), all powers are valid and the highest power is (5). The other options have invalid powers.

Step 2

Why this answer is correct

The correct answer is C. \(3x^5-2x^2+7\), बहुपद, घात (5) / \(3x^5-2x^2+7\), polynomial, degree (5). In \(3x^5-2x^2+7\), all powers are valid and the highest power is (5). The other options have invalid powers.

Step 3

Exam Tip

\(3x^5-2x^2+7\) में सभी घातें मान्य हैं और सबसे बड़ी घात (5) है। बाकी विकल्पों में अमान्य घातें हैं।

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कौन-सा विकल्प (x) में बहुपद और उसकी घात दोनों सही दिखाता है?

Which option correctly shows a polynomial in (x) and its degree?

Explanation opens after your attempt
Correct Answer

A. \(x^4+x\), घात (4)\(x^4+x\), degree (4)

Step 1

Concept

In \(x^4+x\), the powers are (4) and (1). It is a polynomial and its degree is (4).

Step 2

Why this answer is correct

The correct answer is A. \(x^4+x\), घात (4) / \(x^4+x\), degree (4). In \(x^4+x\), the powers are (4) and (1). It is a polynomial and its degree is (4).

Step 3

Exam Tip

\(x^4+x\) में घातें (4) और (1) हैं। यह बहुपद है और इसकी घात (4) है।

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किस विकल्प में (x) में बहुपद और उसकी घात दोनों सही हैं?

Which option correctly gives a polynomial in (x) and its degree?

Explanation opens after your attempt
Correct Answer

A. \(x^3+2x\), घात (3)\(x^3+2x\), degree (3)

Step 1

Concept

In \(x^3+2x\), the powers are (3) and (1). So it is a polynomial and its degree is (3).

Step 2

Why this answer is correct

The correct answer is A. \(x^3+2x\), घात (3) / \(x^3+2x\), degree (3). In \(x^3+2x\), the powers are (3) and (1). So it is a polynomial and its degree is (3).

Step 3

Exam Tip

\(x^3+2x\) में घातें (3) और (1) हैं। इसलिए यह बहुपद है और इसकी घात (3) है।

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