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

Which choice shows the image of figure 1 1 being transformed with a translation of 4 4 units down followed by a rotation of 90° 90 ° counter-clockwise around
The document above is used by those applying for naturalization to obtain which of the selections listed below?
7) Makayla bought a soft drink for 3 dollars and 7 candy bars. She spent a total of 17 dollars. How much did each candy bar cost?
write the slope-intercept form of the equation of the line through the given points. Example: through:(-1,-5) and (0,2)
Given f(x) = (-1/7)(sqrt 16-x^2), find f^-1(x). Then state whether the inverse is a function.
3/4(8k-4)=-3+6kplease help you guys ​
Round 19725 to nearest 1000
a carpenter is 1/2 of a box of nails while working on a birdhouse and was able to finish in 1/4 of it at this rate how many boxes will he need to finish the ent
Answer the question plz
Solve please using exponent properties