02-04-2015
Mathematics

contestada

what are the factors of the following quadratic equation 12=x^2-x

Respuesta :

Panoyin Panoyin

03-04-2015

12 = x² - x
12 - 12 = x² - x - 12
0 = x² - x - 12
x² - x - 12 = 0
x = -(-1) +/- √((-1)² - 4(1)(-12))
   2(1)
x = 1 +/- √(1 + 48)
   2
x = 1 +/- √(49)
2
x = 1 +/- 7
   2
x = 0.5 +/- 3.5
x = 0.5 + 3.5 x = 0.5 - 3.5
x = 4 x = -3

Answer Link

Otras preguntas

Suppose we have a video camera that produces video data at the rate of 2 GB per hour. Recording for 15 minutes creates about how many MB of data? (Note that the

write 19/20 as a decimal without using long division

Which of the following titles might be given to a Muslim ruler who has absolute power?.

Your checking account is overdrawn by $50. You write a check for $20. What is the balance in your account?

$420 for 15 tickets how do i solve this?

how can a physical map help explain the historical development of a country

90 is 1/10 of what? please.

what are two ways to decompose 6107

What might happen to a population of rabbits in a forest if a new predator moved to the forest?

Imagine a glass box that is completely sealed and in that box is a cactus in a small pot. Which statement is most accurate? a. This is a closed system because