Seudónimo
Seudónimo
31-03-2015
Mathematics
contestada
what is the quadratic formula of 4x2+3x+5=0
Respuesta :
Panoyin
Panoyin
31-03-2015
4x² + 3x + 5 = 0
x =
-3 +/- √(3² - 4(4)(5))
2(4)
x =
-3 +/- √(9 - 80)
8
x =
-3 +/- √(-71)
8
x =
-3 +/- √(71 × (-1))
8
x =
-3 +/- √(71) × √(-1)
8
x =
-3 +/- 8.43i
8
x = -0.375 +/- 1.05375i
x = -0.375 + 1.05375i x = -0.375 - 1.05375i
Answer Link
VER TODAS LAS RESPUESTAS ( 85+ )
Otras preguntas
Write a recursive function for this sequence 8,12,18,27..
PLEASE HELP I GIVE THANKS
Which of the following invention of the tang and song dynasties? A. Woodblock printing C. Compass B. Gunpowder
Mr.George divided his money in the ratio 2:6 between Evan and Ricky.Evan got the smaller amount of 420 dirhams.How much did Ricky receive?
length of a rectangular prism volume is 2,830.5, width 18.5, height 9
solve the proportion x/2=5/15
Communsim encourages religious freedom/ True False
what changes when an ice cube mel
The principle of _____ suggests that a plant with the genotype Tt will display a tall phenotype..
(MC)One of the major factors in economic growth in the 1950s was consumer spending by which group? war widows women teenagers college graduates.