Expert Mathematics Polynomials Class 10 Level 23

यदि (p(x)=5x-2+20x+23) है, तो ग्राफ (x)-अक्ष के सापेक्ष कैसा होगा?

If (p(x)=5x-2+20x+23), how will the graph be with respect to the (x)-axis?

Explanation opens after your attempt
Correct Answer

C. नहीं काटेगाIt will not cut

Step 1

Concept

The discriminant is (400-460=-60), so there are no real zeroes. Tip: with negative discriminant a parabola does not meet the (x)-axis.

Step 2

Why this answer is correct

The correct answer is C. नहीं काटेगा / It will not cut. The discriminant is (400-460=-60), so there are no real zeroes. Tip: with negative discriminant a parabola does not meet the (x)-axis.

Step 3

Exam Tip

विविक्तकर (400-460=-60) है, इसलिए वास्तविक शून्यक नहीं हैं। टिप: ऋणात्मक विविक्तकर पर परवलय (x)-अक्ष से नहीं मिलता।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=5x-2+20x+23) है, तो ग्राफ (x)-अक्ष के सापेक्ष कैसा होगा? / If (p(x)=5x-2+20x+23), how will the graph be with respect to the (x)-axis?

Correct Answer: C. नहीं काटेगा / It will not cut. Explanation: विविक्तकर (400-460=-60) है, इसलिए वास्तविक शून्यक नहीं हैं। टिप: ऋणात्मक विविक्तकर पर परवलय (x)-अक्ष से नहीं मिलता। / The discriminant is (400-460=-60), so there are no real zeroes. Tip: with negative discriminant a parabola does not meet the (x)-axis.

Which concept should I revise for this Mathematics MCQ?

The discriminant is (400-460=-60), so there are no real zeroes. Tip: with negative discriminant a parabola does not meet the (x)-axis.

What exam hint can help solve this Mathematics question?

विविक्तकर (400-460=-60) है, इसलिए वास्तविक शून्यक नहीं हैं। टिप: ऋणात्मक विविक्तकर पर परवलय (x)-अक्ष से नहीं मिलता।

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