यदि (p(x)=rx+3) और (p(4)=23), तो (p(-2)) का मान क्या है?

If (p(x)=rx+3) and (p(4)=23), what is the value of (p(-2))?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (-7)

Step 1

Concept

From (4r+3=23), we get (r=5). Therefore (p(-2)=5(-2)+3=-7).

Step 2

Why this answer is correct

The correct answer is B. (-7). From (4r+3=23), we get (r=5). Therefore (p(-2)=5(-2)+3=-7).

Step 3

Exam Tip

(4r+3=23) से (r=5) मिलता है। इसलिए (p(-2)=5(-2)+3=-7) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=rx+3) और (p(4)=23), तो (p(-2)) का मान क्या है? / If (p(x)=rx+3) and (p(4)=23), what is the value of (p(-2))?

Correct Answer: B. (-7). Explanation: (4r+3=23) से (r=5) मिलता है। इसलिए (p(-2)=5(-2)+3=-7) है। / From (4r+3=23), we get (r=5). Therefore (p(-2)=5(-2)+3=-7).

Which concept should I revise for this Mathematics MCQ?

From (4r+3=23), we get (r=5). Therefore (p(-2)=5(-2)+3=-7).

What exam hint can help solve this Mathematics question?

(4r+3=23) से (r=5) मिलता है। इसलिए (p(-2)=5(-2)+3=-7) है।