Expert Mathematics Introduction to Polynomials Class 9 Level 35

किस विकल्प में (y) (x) के बढ़ने पर (7) प्रति चरण घटता है और (y(8)=94) है?

Which option makes (y) decrease by (7) per step and has (y(8)=94)?

Explanation opens after your attempt
Correct Answer

B. (y=150-7x)

Step 1

Concept

The rate is (-7), and (a-7(8)=94) gives (a=150). So (y=150-7x) is correct.

Step 2

Why this answer is correct

The correct answer is B. (y=150-7x). The rate is (-7), and (a-7(8)=94) gives (a=150). So (y=150-7x) is correct.

Step 3

Exam Tip

दर (-7) है और (a-7(8)=94) से (a=150) मिलता है। इसलिए (y=150-7x) सही है।

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Mathematics Answer, Explanation and Revision Hints

किस विकल्प में (y) (x) के बढ़ने पर (7) प्रति चरण घटता है और (y(8)=94) है? / Which option makes (y) decrease by (7) per step and has (y(8)=94)?

Correct Answer: B. (y=150-7x). Explanation: दर (-7) है और (a-7(8)=94) से (a=150) मिलता है। इसलिए (y=150-7x) सही है। / The rate is (-7), and (a-7(8)=94) gives (a=150). So (y=150-7x) is correct.

Which concept should I revise for this Mathematics MCQ?

The rate is (-7), and (a-7(8)=94) gives (a=150). So (y=150-7x) is correct.

What exam hint can help solve this Mathematics question?

दर (-7) है और (a-7(8)=94) से (a=150) मिलता है। इसलिए (y=150-7x) सही है।

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