Chapter 4 – Quadratic Equations
State whether the following quadratic equations have two distinct real roots. Justify your answer. (ii) 2x^2 + x – 1 = 0
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Nov
State whether the following quadratic equations have two distinct real roots. Justify your answer. (ii) 2x^2 + x – 1 = 0 State whether the following quadratic equations have two distinct real roots. Justify your answer. (ii) 2x^2 + x – 1 = 0 November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths [...]
State whether the following quadratic equations have two distinct real roots. Justify your answer. (i) x^2 – 3x + 4 = 0
22
Nov
State whether the following quadratic equations have two distinct real roots. Justify your answer. (i) x^2 – 3x + 4 = 0 State whether the following quadratic equations have two distinct real roots. Justify your answer. (i) x^2 – 3x + 4 = 0 November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths [...]
(x^2 + 1 )^2 – x^2 = 0 has (A) four real roots (B) two real roots (C) no real roots (D) one real root.
22
Nov
(x^2 + 1 )^2 – x^2 = 0 has (A) four real roots (B) two real roots (C) no real roots (D) one real root. (x^2 + 1 )^2 – x^2 = 0 has (A) four real roots (B) two real roots (C) no real roots (D) one real root. November 22, 2020 Category: Chapter [...]
Which of the following equations has no real roots? (A) x^2 – 4x + 3√2 =0 (B) x^2 + 4x – 3√2 =0 (C) x^2 – 4x – 3√2 =0 (D) 3x^2 + 4√3x + 4 = 0
22
Nov
Which of the following equations has no real roots? (A) x^2 – 4x + 3√2 =0 (B) x^2 + 4x – 3√2 =0 (C) x^2 – 4x – 3√2 =0 (D) 3x^2 + 4√3x + 4 = 0 Which of the following equations has no real roots? (A) x^2 – 4x + 3√2 =0 (B) [...]
Which of the following equations has two distinct real roots? (A) 2x^2 – 3√2x + 9/4 = 0 (B) x^2 + x – 5 = 0 (C) x^2 + 3x + 2√2 = 0 (D) 5x^2 – 3x + 1 = 0
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Nov
Which of the following equations has two distinct real roots? (A) 2x^2 – 3√2x + 9/4 = 0 (B) x^2 + x – 5 = 0 (C) x^2 + 3x + 2√2 = 0 (D) 5x^2 – 3x + 1 = 0 Which of the following equations has two distinct real roots? (A) 2x^2 – [...]
The quadratic equation 2x^2 – √5x + 1 = 0 has
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Nov
The quadratic equation 2x^2 – √5x + 1 = 0 has The quadratic equation 2x^2 – √5x + 1 = 0 has November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
Which constant must be added and subtracted to solve the quadratic equation 9x^2 + 3/4 x – √2 = 0 by the method of completing the square?
22
Nov
Which constant must be added and subtracted to solve the quadratic equation 9x^2 + 3/4 x – √2 = 0 by the method of completing the square? Which constant must be added and subtracted to solve the quadratic equation 9x^2 + 3/4 x – √2 = 0 by the method of completing the square? November [...]
Values of k for which the quadratic equation 2x^2 -kx + k = 0 has equal roots is
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Nov
Values of k for which the quadratic equation 2x^2 -kx + k = 0 has equal roots is Values of k for which the quadratic equation 2x^2 -kx + k = 0 has equal roots is November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
Which of the following equations has the sum of its roots as 3?
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Nov
Which of the following equations has the sum of its roots as 3? Which of the following equations has the sum of its roots as 3? November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
If 1/2 is a root of the equation x^2 + kx – 5/4 = 0, then the value of k is
22
Nov
If 1/2 is a root of the equation x^2 + kx – 5/4 = 0, then the value of k is If 1/2 is a root of the equation x^2 + kx – 5/4 = 0 then the value of k is November 22, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT [...]