nfmt
nfmt nfmt
  • 10-10-2019
  • Mathematics
contestada

What are the solutions of 2x2 + 3x= −8?

What are the solutions of 2x2 3x 8 class=
What are the solutions of 2x2 3x 8 class=
What are the solutions of 2x2 3x 8 class=
What are the solutions of 2x2 3x 8 class=

Respuesta :

ghanami
ghanami ghanami
  • 10-10-2019

Answer:

Step-by-step explanation:

2x² + 3x= −8

2x²+ 3x+8 =0

Δ= b²- 4ac     a=2  and b=3   and c=8

Δ= (3)²- 4(2)(8)   = 9 - 64 = -55 =(√55 i)²

the answer is : (-3 +- i√55)/4

Answer Link

Otras preguntas

find the largest integer n for which n power 200 < 5 power 300?
round to the number of significant figures indicated:0.427=___        (two significant figures):_____*also please explain what significant figures are.
A diseased cell is no longer able to produce proteins. Which cell structure is most likely malfunctioning?
Find the value of x if B is between A and C, AB=4x-9, BC= 3x+ 5, and AC=7
The orb spider builds her web in exactly the same way every time. This is an example of
Tybalt is portrayed as a villain in the play, and yet his death is not a positive event. Why is Tybalt’s death bad for Romeo and Juliet?
What should be the next letter in the following series? A Z E B I Y O _
what is 35% of a number if 12 is 15% of a number ?
In electrolysis of water, why is the volume of gas collected over one electrode double the volume of gas collected over the other electrode?
find the equation of a line in slope intercept form, passing through (2,5) and parallel to 2x+3y=-12