CSIR NET 2024 | Part A Quiz | Quadratic Equation | 27 April 2024

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Question 1

If and then ab is

• A20
• B10
• C81
• D142

Question 2

Which of the following options is correct?

• A(4x – 5y)² = 16x² – 20xy + 25y²
• B(4x – 5y)² = 16x² + 40xy - 25y²
• C(4x – 5y)² = 16x² – 40xy + 25y²
• D(4x – 5y)² = 16x² – 20xy - 25y²

Question 3

Which of the following equations has the sum of its roots as 11?

• Ax² – 11x + 18 = 0
• Bx² – 7x + 10 = 0
• Cx² + 2x - 26 = 0
• Dx² + 5x – 6 = 0

Question 4

What are the roots of the quadratic equation 15x² - 2x - 8 = 0

• A2/3, -4/5
• B-2/3, 4/5
• C-3/2, 5/4
• D3/2, -5/4

Question 5

Factorise x² + 3x - 18

• A(x+18)(x-1)
• B(x-1)(x+18)
• C(x+6)(x-3)
• D(x-6)(x+3)

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