Practice Questions CBSE - Maths Class 10 (2023 Boards)

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Question 3 - Practice Questions CBSE - Maths Class 10 (2023 Boards) - Solutions of Sample Papers for Class 10 Boards

Last updated at Dec. 13, 2024 by

A teacher asks three students to complete the following statement about the nature of the roots of a quadratic equation.

If q^2-4pr>0, the roots of the quadratic equation 〖px〗^2+ax+r=0 will be...

Zain answers, "always positive".

Vipul answers, "positive, if p, q, and r are positive".

Suman answers, "negative, if p, q, and r are positive".

Who answered correctly?

(A) Zain 

(B) Vipul 

(C) Suman 

(D) (none of them)

 

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A teacher asks three students to complete the following statement about the nature of the roots of a quadratic equation. If 𝑞^2−4𝑝𝑟>0, the roots of the quadratic equation 〖𝑝𝑥〗^2+𝑎𝑥+𝑟=0 will be... Zain answers, "always positive". Vipul answers, "positive, if p, q, and r are positive". Suman answers, "negative, if p, q, and r are positive". Who answered correctly? (A) Zain (B) Vipul (C) Suman (D) (none of them)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo