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

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

not sure of the answer hope an expert can help

Fill in the blank with the correct form of estar. La papelera ___ aquí.

Simplify the expression 8−(−2)/7−12 Enter your answer either as a whole number, or as a ratio, in simplest form.

Find the sum of the first 63 terms of –19, -13, -7 …

What is a database in access

which cranial nerves has parasympathetic motor output

What does interior angle A of the polygon in the figure equal? A. 110 B. 150 C. 230 D. 100

How far apart are a 900kg car and an 80kg man if they experienced a gravitational attraction of 1 N?

The Invaders that caused the most trouble for the Roman Empire in the 400s CE were most likely to have come from what area?a Persiab Greecec southern Italyd Ger

The diagram shows corresponding lengths in two similar figures. Find the area of the smaller figure. A. 16 cm2 B. 18 cm2 C. 20 cm2 D. 36 cm2