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

find the product of 2 and (3.7 × 10^-4)
6. What is the oxidation number for the atom indicated in the following compounds.a. S in BaSO4b. P in PO4-3c. Cl in HCIO2​
Need help with history
If an airplane is moving at a constant speed of 500 miles per hour in a straight line is it accelerating?
Which enzyme is paired incorrectly with its function? which enzyme is paired incorrectly with its function? helicase: untwists double helix single-strand bind
What percent of a dozen is 3
Help please !!!!!!!!!! Need within the hour
Sasha has a fever of 103°F. What is Sasha’s fever in degrees Celsius? 32°C 39.4°C 66.9°C 71°C
What is XxYx4-34=?????
the cost function for Dans new clothing store where he sells T-shirt is C=$12.25n+1150.What will Dan's total cost for this month be if he sells 25 T-shirts this