kkent61 kkent61
  • 04-04-2018
  • Mathematics
contestada

how many real number Solutions does the equation have in 0 equals -7x ^ 2 + 6x + 3

Respuesta :

kiaratatiana7p6mdlk
kiaratatiana7p6mdlk kiaratatiana7p6mdlk
  • 04-04-2018
- 7[tex]7 x^{2} + 6x + 3 = 0 
First step use cuadratic fomula
x = [-b +- \sqrt{ b^{2} -4ac } ]/ 2a[/tex]

a= -7
b=6
c=3
x = [-6 +- \sqrt{ 6^{2} -4(-7)(3) } ]/ 2(-7)
x = [-6 +- \sqrt{ 36 +84 } ]/ -14
x = (3/7 ) +( sqrt(30)/7)
x = (3/7 ) -( sqrt(30)/7)






Answer Link

Otras preguntas

a swimming pool holds 375,000 liters of water. two large hoses are used to fill the pool. the first hose fills at a rate of 1500 liters per hour and the second
Which one of the following is smallest in size ?N3-               O2-               F-                Na
A moving company is trying to store boxes in a storage room with a length of 5 m, width of 3 m and height of 2 m. How many boxes can fit in this space if each i
Which physical feature has most limited the movement of people living in North America ?
Which one of the following is smallest in size ?N3-               O2-               F-                Na
The tropical climate zone is in which two states?
What was the Islamic Golden Age?
What is the answer to split 56 in the ratio of 3:4
which number is 100 less than 61 tens?
In the book: A Wrinkle in timeWhat advice, which was given by Mrs. Who, does Charles Wallace forget to follow?A.Only fools are afraid.B.Go off on your own when