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

Answer Link

Otras preguntas

what was the most common jobs in 1800
How could you narrow your topic about going to see a new movie? A) use categories to organize your ideas about the movie be) use cubing to gather details about
Create a newspaper article about visiting the great exhibition, London.Could anyone please give me some points that I could include.Thank you
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo incre
Why would a teacher say that meiosis is actually mitosis happening twice?
what are some disadvantages of incinerators?
put sequence into a sentence
Multiply.1. [tex](2x^3y^3)(5x^2y^8)[/tex]                           2. [tex]9b^3(8b^4)(-b)[/tex]3. 3y²(y²-2y+3)
what is 3(g-7)=2(10+g)
Why does a pregnant woman need more energy than a woman who isn't pregnant