boedipscope boedipscope

04-08-2017
Mathematics

contestada

The quadratic equation x2 + mx + q = 0, where m and q are real numbers, has the complex root a + bi.?

Respuesta :

04-08-2017

Remember the quadratic formula determinant?
If b^2 -4ac < 0, a complex root exists.

So for this problem, m^2 - 4q is the determinant, and if less than 0, is complex.

So a=-m/2 and b=(1/2)SQRT(m^2 - 4q)

Answer Link

Otras preguntas

Which country is the leading production of tea in the whole world

Melody lives 30 miles due south of her cousin's house and 40 miles due west of her grandparents' house. One day, she drove to her cousin's house in a straight l

Please answer this correctly

do you think the government should continue to use fuosion research give reasons why

The city-states of northern Italy differed from most of Europe because in the Italian city-states a. the feudal nobility played a much more important role in go

How many adverbial phrases in the sentence?

The Jewel Golf Club Company, which recently began using a kanban system, has had problems with high inventory levels of one of the handle grips used to make sev

answer this question pls

Kanye Company is evaluating the purchase of a rebuilt spot-welding machine to be used in the manufacture of a new product. The machine will cost $176,000, has a

Help Help you will get 30 points Help Genes and the environment play a role in human growth, development, and health. How