Question

Find the discriminant for the following quadratic equations. Also, determine the nature of the roots. (i) 5x2-6x-2=0 (ii) x2-3✓3x+12

Answer 1

Answer:

i) 5x^2 - 6x -2 =0    ii) x^2 -3root3x +12

Step-by-step explanation:

Compare given equation with ax^2+bx+c=0

b^2-4ac= (-6)^2- 4 x 5 x -2

           = 36 - (-40)

           = 36 +40 = 76

  b^2 -4ac = 76

          :. b^2 -4ac > 0

therfore the nature of roots will be real and unequal

do the same with other equation