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

Mark the statement if it accurately describes a result of the invention of the printing press A. Books became less expensive to purchase. B. Books became availa
Why did the ancient Roman government begin the "bread and circuses" program to keep the poor fed and entertained? They cared about the welfare of their citizens
[tex] \frac{1}{x+1} + \frac{4}{x+4} - \frac{5}{x+5 } [/tex]
What is the most abundant metalloid in the universe
the sum of the interior angles of a polygon is 540. determine and state the number of degrees in one interior angle of the polygon.
what is the function of the human brain? give three examples
explain why atoms move at different speeds depending on whether they are in liquids or solids.
The ratio of ages (in years) of three children is 2:4:5. The sum of their ages is 33. What is the ages of each child ?
Explain why an experiment should test only one variable at a time
is 1/2 equal to 3/6?