emilydodds
emilydodds emilydodds
  • 05-04-2017
  • Mathematics
contestada

Find all complex solutions of 2x^2+3x+5=0 using the quadratic equation.

Respuesta :

wolf1728
wolf1728 wolf1728
  • 05-04-2017
2x^2 + 3x + 5 = 0
a = 2 b = 3 and c = 5
x = [-b +-sq root(b^2 -4ac)] / 2a
x = [-3 +-sq root(9 -4*2*5)] / 4
x = [-3 +-sq root(9 - 40)] / 4
x = -(3 / 4) + sq root (-36) / 4
x = -(3 / 4) - sq root (-36) / 4

Answer Link

Otras preguntas

Personification for the big bear
an employer pays $22 for 2 hours is the ratio table to determine how much she charges for 5 hours
In the first month of 1933, Hitler became the prime minister, or chancellor, of Germany. With the information given in the sentence, a chancellor is the same as
why is it important to use metric system when conducting scientific investigation
Archetypes are a type of _______ that appear throughout history. A. subgenre B. foreshadowing C. palliation D. motif
Erica used friendly numbers to find 43-19 she added 1 to 19 and subtracted 1 from 43 what is Erica's error
What value of r makes the equation true? r + (–0.16) = 0.37 a. –0.53 b. –0.21 c. 0.21 d. 0.53
at summer camp the ratio of boy to girls was 7:1. If there were 63 boys, how many girls were there
what is 216÷18 using base ten blocks
Süleyman was an Ottoman emperor who created a code of laws for his empire. A. True B. False