dianacfuentes dianacfuentes

19-07-2017
Mathematics

contestada

Solve −2x2 +3x − 9 = 0.

Respuesta :

RickyChen RickyChen

19-07-2017

I assume you are asking to solve:

-2x^2 + 3x - 9 = 0

So first, this equation does not have real roots.

It only has 2 complex roots.

The roots are:

3/4 * (1-i√7) and 3/4 * (1+i√7)

Answer Link

Otras preguntas

A. Discuss the pros and cons of the use of arrays and parallel arrays and provide an example of a real-life equivalent to an array and a parallel array.

Rebecca Wright earned $115 in simple interest for 8 months at an annual interest rate of 5%. How much money did she invest?

Math Question, help please

x=50 x=52 x=46 x=48 fast pls only 20 min

Is Earth currently in danger from any NEOs? Explain how astronomers can determine this risk

Find the volume of a pyramid with a square base, where the area of the base is 12. 4\text{ ft}^212. 4 ft 2 and the height of the pyramid is 5\text{ ft}5 ft.

QUESTION 16 Which sentence with a transition is punctuated correctly? O a. I trained hard for the marathon however I failed to finish. b. I trained hard for the

Given that n refers to a positive int use a while loop to compute the sum of the cubes of the first n counting numbers, and associate this value with total. Use

If the least value the variable k can be is 12, which of the following inequalities best shows all the possible values of k? k < 12 k > 12 k ≤ 12 k ≥ 12

The tail of a model dinosaur is 8 inches shorter than the rest of its body. The rest of its body is 36 inches long. How long is the dinosaurs tail?