jasminelockhart596 jasminelockhart596
  • 20-07-2017
  • Mathematics
contestada

Find the sum of the solutions of this equation 20x^2-39x-80=0

Respuesta :

sergibcnusa sergibcnusa
  • 20-07-2017
This is 'nice':

The sum of the solutions is the coefficient with 'x', change it sign and divide by the coefficient of x^2:

sum = 39/40.



Answer Link

Otras preguntas

True or false. The theme group for formatting choices for a document theme contain set of lines and fill effects
This painting of a girl in a garden defines her expressions, features, and clothes. Which design principle has Manet used?
I need help on all of these plz
what are two fractsions between 3/5 and 4/5
Using prime factorization what is the LCM of 18 and 108
Systematic names for Cul(s)
If you started with 35.0 grams of H2S and 40.0 grams of O2, how many grams of S8 would be produced, assuming 95 % yield? 8H2S(g)+4O2(g)→S8(l)+8H2O(g)
which landform is characterized as large areas of low-lying flat ground?
parents are a large factor in how their children perceive their bodies. true or false.
What is the slope of the line represented by the equation 6x –3y = 4 ?