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

Which of the following statements is true with regard to Pakistan? A. Between 1980 and the early 2000s, literacy rates increased only slightly. B. U.S. sanction
Compare and Contrast Alpha, Beta, and Gamma Rays according to their charge, mass and structure.
which group of atoms has this electron dot structure?
If two wires run parallel and the current passes through both wires in the same direction, which happens to the wires? A.) The wires move together because the m
what is 7/4 as a mixed number?
In a reaction between 1-pentene and cl2, what are the products?
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of o
Eric has been donating books he no longer needs to his local library. After 3 months of donating, he had 157 books left in his room. After 8 months of donating,
What property is 5x+(4y+3x)=5x+(3x+4y)
In which century did the early development of capitalism and banking occur?