idofribria idofribria
  • 16-04-2017
  • Mathematics
contestada

How many solutions are in the equation 3x^2+4x-7=0?

Respuesta :

ghanami
ghanami ghanami
  • 16-04-2017
hello : 
 the equation 3x^2+4x-7=0 has 2 solutions because : ac < 0
 a = 3         b=4            c= -7
Δ = b²-4ac....... b² ≥ 0    and   -4ac > 0   ..... (ac < 0 )
coclusion : Δ>0.....(2 solutions)
Answer Link

Otras preguntas

Lennon has a checking account he withdrew $130 from atm Tuesday. Wensday he deposited $240. Friday he wrote a check for $56. What was the total change in lennon
Sean has 125 dollars saved he pays 25 dollars for a ticket to the concert what percentage of his savings did he spend on the ticket
Why are you able to find a greatest common factor but not a greatest common multiple
what is the value of the expression 7a - 3bc, where a=3, b=4 and c=0?
________ is the ability to do work. A. Force B. Joules C. Power D. Energy
In a conversation with a coworker you're not sure what she said about the Clearwater building site by repeating what you think she send in your own words you'r
(w+6)(w+7) how to solve
In the second half of the 19th century, humans used all of the following technological advances to modify and adapt to the physical environment EXCEPT: a. Besse
A salesperson makes $128 commission selling merchandise. His commission rate was 5%. Find the dollar amount of his sales
in which phase will crossing - over occur