elpr1nc1
elpr1nc1
15-04-2015
Mathematics
contestada
What is the solution of X2-9x+18=0
Respuesta :
Panoyin
Panoyin
15-04-2015
x² - 9x + 18 = 0
x =
-(-9) +/- √((-9)² - 4(1)(18))
2(1)
x =
9 +/- √(81 - 72)
2
x =
9 +/- √(9)
2
x =
9 +/- 3
2
x = 4.5
+
1.5
x = 4.5 + 1.5 x = 4.5 - 1.5
x = 6 x = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
During the Renaissance, dramatists began writing about A. science. B. history. C. everyday people. D. religion.
Most words used in law and medicine have ________ roots. A. French B. Latin C. English D. Celtic
In which of the following ways might an author create a somber tone? A. describe the scenery of a funeral B. avoid creating a silly character C. put in a shock
Describe how did John smith improve conditions in Jamestown
Calculate the perimeter of the quadrilateral 2 cm 3 cm 2 cm 5 cm is it A. 10 cm B. 12 cm C. 24 cm D. 60 cm
what was virginia's first colony government called
premonition : predestination :: A. forecast : weather B. expectation : fulfillment C. fear : accident D. warning : fate
How did the French and Indian War in 1763 contribute to the writing of the Declaration of Independence? A). Colonists were angry that they were taxed by Brit
How do you think cotton , tobacco and other crops were shipped to their destination?
278 divided by 2 the long way
