Chapter 4 – Quadratic Equations
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iv) -x^2 + 7x-10 = 0
23
Nov
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iv) -x^2 + 7x-10 = 0 Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iv) -x^2 + 7x-10 = 0 November 23, 2020 Category: Chapter 4 - Quadratic Equations [...]
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iii) -3x^2 + 5x + 12 = 0
23
Nov
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iii) -3x^2 + 5x + 12 = 0 Find the roots of the quadratic equations by using the quadratic formula in each of the following: (iii) -3x^2 + 5x + 12 = 0 November 23, 2020 Category: Chapter [...]
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (ii) 5x^2 + 13x + 8 = 0
23
Nov
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (ii) 5x^2 + 13x + 8 = 0 Find the roots of the quadratic equations by using the quadratic formula in each of the following: (ii) 5x^2 + 13x + 8 = 0 November 23, 2020 Category: Chapter [...]
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (i) 2x^2 – 3x – 5 = 0
23
Nov
Find the roots of the quadratic equations by using the quadratic formula in each of the following: (i) 2x^2 – 3x – 5 = 0 Find the roots of the quadratic equations by using the quadratic formula in each of the following: (i) 2x^2 – 3x – 5 = 0 November 23, 2020 Category: Chapter [...]
If b = 0, c < 0, is it true that the roots of x^2 + bx + c = 0 are numerically equal and opposite in sign? Justify.
23
Nov
If b = 0, c < 0, is it true that the roots of x^2 + bx + c = 0 are numerically equal and opposite in sign? Justify. c < 0 If b = 0 is it true that the roots of x^2 + bx + c = 0 are numerically equal and opposite [...]
Is 0.2 a root of the equation x^2 – 0.4 = 0? Justify.
23
Nov
Is 0.2 a root of the equation x^2 – 0.4 = 0? Justify. Is 0.2 a root of the equation x^2 – 0.4 = 0? Justify. November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
Does there exist a quadratic equation whose coefficients are all distinct irrationals but both the roots are rationals ? Why?
23
Nov
Does there exist a quadratic equation whose coefficients are all distinct irrationals but both the roots are rationals ? Why? Does there exist a quadratic equation whose coefficients are all distinct irrationals but both the roots are rationals ? Why? November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 [...]
Does there exist a quadratic equation whose coefficients are rational but both of its roots are irrational? Justify your answer.
23
Nov
Does there exist a quadratic equation whose coefficients are rational but both of its roots are irrational? Justify your answer. Does there exist a quadratic equation whose coefficients are rational but both of its roots are irrational? Justify your answer. November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 [...]
A quadratic equation with integral coefficient has integral roots. Justify your answer.
23
Nov
A quadratic equation with integral coefficient has integral roots. Justify your answer. A quadratic equation with integral coefficient has integral roots. Justify your answer. November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
Write whether the following statements are true or false. Justify your answers. 5. If the coefficient of x^2 and the constant term of a quadratic equation have opposite signs, then the quadratic equation has real roots.
22
Nov
Write whether the following statements are true or false. Justify your answers. 5. If the coefficient of x^2 and the constant term of a quadratic equation have opposite signs, then the quadratic equation has real roots. then the quadratic equation has real roots. Write whether the following statements are true or false. Justify your answers. [...]