bihssen10 bihssen10
  • 11-02-2018
  • Mathematics
contestada

Which two values of x are roots of the polynomial below?

x^2 + 5x + 9

Respuesta :

Atrey
Atrey Atrey
  • 11-02-2018
[tex]x^2+5x+9 [/tex]

The polynomial cannot be factored with rational numbers due to b being 5. You can factor it if b is equal to 6.

None
Answer Link
jcherry99
jcherry99 jcherry99
  • 11-02-2018
They are not real.
b^2 - 4ac =
b = 5
a = 1
c = 9
5^2 - 4(1)(9)
25 - 36
- 11
The quadratic formula is
x = (- b) +/- sqrt(b^2 - 4ac)
. . . . .==============
. . . . . . . . . . 2(a)
x = ( (- 5 +/- sqrt(-11) ) / 2
x = ( - 2.5 +/- sqrt(11) i / 2

Answer Link

Otras preguntas

Sheila was given $30.00 for her birthday and spent $18.79 on a CD. How much was her change?
x-5-z use x= -6 and z=3
THIS IS AN ASSIGNMENT FROM READING THE BOOK THE VELDT PLEASE DONT ANSWER IF YOU DONT KNOW!! Read each of the following quotes and answer the questions that fol
a baby's t-shirt requires 5/8 yards of fabric. How many t-shirts can be made from 70 yards?
if FG= 2units FI=7 units and H1= 1 unit what is GH
Explain which theory the author supports: humans built the pyramids or aliens built the pyramids. Support your answer with valid reasoning.
At work, most people do right rather than wrong only because they fear being caught. Agree or Disagree
Segments AB and CD bisect each other at point O. Prove that ∆ACD is congruent to ∆BDC.
Please help me with this—- Thanks:)
Object A has a mass of 12 g and a density of 3 g/cm3. Object B has a mass of 12 g and a density of 5 g/cm3. Which object has a greater volume and by how much? O