25x^(2)+30x+7=0

Solve the following quadratic equations: 25x^(2) + 30x - 10 = 0

In the following,determine whether the given quadratic equations have real roots and if so, find the roots 6x^(2)+x-2=0 (ii) 25x^(2)+20x+7=0

Find the HCF and LCM of (3+13x-30x^(2)) and (25x^(2)-30x+9) .

Solve the equation 25x^2-30x+11 =0 by using the general expression for the roots of a quadratic equation .

Solve the equation 25x^(2)-30x+11=0 by using the general expression for rots quadratic equation ax^(2)+bx+c=0, we get: a=25,b=-30 adn c-11

Solve the following equations by Sridharacharya's formula : (i) x^(2)+x+4=0 (ii) 2x^(2)-2x+3=0 (iii) sqrt(2)x^(2)+x+sqrt(2)=0 (iv) x^(2)-x+2=0 (v) 25x^(2)-30x+11=0 (vi) x^(2)+3x+5=0 (vii) x^(2)-14x+58=0 (viii) x^(2)+13ix -42=0 (ix) x^(2)-11ix-30=0

The function f: [0,∞] to R given by f(x) = 25x^(2) + 10x – 7 is not invertible. What will be the codomain of the function f to make it invertible.

Without solving , comment upon the nature of roots of each of the following equations : (i) 7x^(2)-9x+2=0 (ii) 6x^(2)-13x+4=0 (iii) 25x^(2)-10x+1=0 (iv) x^(2)+2sqrt(3)x-9=0 (v) x^(2)-ax-b^(2)=0 (vi) 2x^(2)+8x+9=0

Solve the following quadratic equation: 25x^2-30x+11=0