(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

If `(2)/(3)` and – 3 are the roots of the equation px²+ 7x + q = 0, find the values of p and q.

Find the discriminant of the following equations and hence find the nature of roots: 3x² – 5x – 2 = 0

Find the discriminant of the following equations and hence find the nature of roots: 2x²– 3x + 5 = 0

Find the discriminant of the following equations and hence find the nature of roots: 7x² + 8x + 2 = 0

Find the discriminant of the following equations and hence find the nature of roots: 3x² + 2x - 1 = 0

Find the discriminant of the following equations and hence find the nature of roots: 16x² - 40x +  25 = 0

Find the discriminant of the following equations and hence find the nature of roots: 2x² + 15x + 30 = 0

Discuss the nature of the roots of the following quadratic equations : x² – 4x – 1 = 0

Discuss the nature of the roots of the following quadratic equations : `3x^2 - 2x + (1)/(3)` = 0

Discuss the nature of the roots of the following quadratic equations : `3x^2 - 4sqrt(3)x + 4` = 0

Discuss the nature of the roots of the following quadratic equations : `x^2 - (1)/(2)x + 4` = 0

Discuss the nature of the roots of the following quadratic equations : -2x² + x + 1 = 0

Discuss the nature of the roots of the following quadratic equations : `2sqrt(3)x^2 - 5x + sqrt(3)` = 0

Find the nature of the roots of the following quadratic equations: `x^2 - (1)/(2)x - (1)/(2)` = 0

Find the nature of the roots of the following quadratic equations: `x^2 - 2sqrt(3)x - 1` = 0 If real roots exist, find them.

Without solving the following quadratic equation, find the value of ‘p’ for which the given equations have real and equal roots: px² – 4x + 3 = 0

Without solving the following quadratic equation, find the value of ‘p’ for which the given equations have real and equal roots: x² + (p – 3)x + p = 0.

Find the value (s) of k for which each of the following quadratic equation has equal roots : kx² – 4x – 5 = 0

Find the value (s) of k for which each of the following quadratic equation has equal roots : (k – 4) x² + 2(k – 4) x + 4 = 0

Find the value(s) of m for which each of the following quadratic equation has real and equal roots: (3m + 1)x² + 2(m + 1)x + m = 0