jvm123 jvm123
  • 11-07-2020
  • Mathematics
contestada

y=x2+3x+1 has how many real roots?

Respuesta :

TheSection
TheSection TheSection
  • 11-07-2020

Answer:

2

Step-by-step explanation:

we will find the discriminant of the equation

d = b^2  - 4ac (here, a = 1 , b = 3 , c = 1. from the general formula: ax^2 + bx + c)

d =  9 - 4

d = 5

since d > 0, the roots are real and different

hence, the both the roots of this equation are equal

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