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

Julia spends $2.25 on gas for her lawn mower. She earns $15.00 mowing her neighbors yard. What is her profit?
When did WW2 happened?
Which of the following is NOT an advantage of using a fusion reaction instead of a fission reaction to produce energy? A) Workers are not in as much danger fro
a habitat must include all of the following except a. food sources. b. favorable conditions for reproduction. c. more than one population of a given species. d.
Kevin plans to put concrete on a rectangular portion of his driveway. The portion is 10 feet long and three inches high. The price of concrete is $98 per cubic
plums are priced at 3 for 35p how many can be bought for $2.10
How are GOD and LCD different and alike
Which is an example of a spontaneous exergonic reaction? A) Protein synthesis occuring in cells B) Marshmallows catching fire C) Photosynthesis
the function f(x) = –x2 − 2x 15 is shown on the graph. what are the domain and range of the function? the domain is all real numbers. the range is {y|y < 16}
Explain how to convert 96 oz to pounds.