Raymond265768
Raymond265768 Raymond265768
  • 12-06-2018
  • Mathematics
contestada

What are the solutions of 2x^2+8x=-26?

-2+\3i

-2+\i

2+\6i

-3+\2i

Respuesta :

datguiser
datguiser datguiser
  • 12-06-2018
2x^2+8x+26=0

According to the . quadratic formula...

(-8+-[tex] \sqrt{64-4(2)(26)} [/tex])/2=4

64-(4)(2)(26)=-144

[tex] \sqrt{-144} [/tex] = 12i

-8+-12i/4= -2+-3o

Answer A is correct
Answer Link

Otras preguntas

What ideology lay behind the writing of the Declaration of Independence?
The process of transferring information from workbench memory to long-term memory for permanent storage is known as _____.
Which chart type can be used to display summary values from two different levels of grouping in a report?
Which of the following is the algebraic expression that best describes the height y, if x is the width? It's a graph with the points (0.5, 1.5) (2, 6) (3, 9) (
Read the excerpt from the sermon “A Model of Christian Charity” by John Winthrop.“For we must consider that we shall be as a city upon a hill. The eyes of all p
"which of the three organizational types are organizations gravitating to to improve their project success rates"
Describe different ways in which geographers approach aspects of cultural identity such as gender and ethnicity.
HEP PLEASE ASAP!!!!!!!!!!!!!!! 1. Malia solved an equation, as shown below: Step 1: 6x = 48 Step 2: x = 48 – 6 Step 3: x = 42 Part A: Is Malia's solution correc
a rectangle has a perimeter of 182 in and length of 52 in. What is the width?
Stopping on snow and ice may require up to _____ the distance than normal conditions.