kelmarlVidricketh
kelmarlVidricketh kelmarlVidricketh
  • 23-06-2016
  • Mathematics
contestada

x^2 - 9x -10 =0 has a discriminant of: a. 121 b. 72 c. -359 d. 41 e. 136

Respuesta :

toporc
toporc toporc
  • 23-06-2016
In the standard form of quadratic
[tex]ax^{2} +bx+c[/tex]
the discriminant is
[tex] b^{2} -4ac[/tex]
In your quadratic, a = 1, b = -9 and c = -10
Now you need to plug these values into the expression for the discriminant.
Answer Link

Otras preguntas

Do not answer for just the points, i will report you. Thank you! In the Great Gatsby, what are Nick Carraway's dilemmas? What advice would you give him? After
Suppose that the four species of finches shown at the top of the picture above, are all released onto an island in the middle of the ocean. The only species
Help me! Due Monday!!! HELLPPPPPP!!!
Macbeth note taking guide
suppose you roll a die two times. what is the probability of rolling a 3 both times?
18. Which of the following quotes from "The Lottery" best illustrates the story's that following tradition blindly can be hazardous? A. "She snatched a paper ou
Select the line that uses inverted syntax. A) They flash upon that inward eye B) They stretched in never-ending line C) I wandered lonely as a clou
A. write an expression that represent the amount Jerri spent on produce in simplest terms. (please explain)
If you wanted to enjoy longer periods of daylight in the summertime, would you head closer to the equator or farther from it? Why?
10.2cm is rounded to one decimal place. Write down the minimum possible length it could of been