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

When two fractions are between 0 and half how do you know which fraction is greater explain
Lily buys a sweater that is on sale for $42, which is 75% of the original price of the sweater. What was the original price of the sweater? A) $168 B) $31 C)
Patty had $110.28 un receipts and $75.52 un expenses.What was her profit?
Help? I know C is not true for sure.. Mark the statement if it correctly describes Catherine the Great. A. She was an eighteenth-century princess who became emp
If both of Lisa's parents have attached ear lobes, then
Why did the US civil rights movement gain new momentum after World War II? President Truman desegregated the armed forces. Rosa Parks rallied blacks in Montgome
Who was most famous for giving his 'V' for victory hand signal at public meetings ?
7x-2[2-(6-3x)] Can u explain to me how to do this one step by step
an adult polar bear walks at an average of 5 kilometers per hour. write an equation to find k, the number of kilometers a polar bear can walk in h hours
Why is being able to amend the Constitution important?