homeworkhelp176 homeworkhelp176

23-05-2020
Mathematics

contestada

Solve by completing the square with working out

-6x-x^2-8

Respuesta :

TREKKER TREKKER

23-05-2020

Answer:

x = -3 +/- sqrt(17)

Step-by-step explanation:

-6x - (x^2) - 8 = 0

-((x^2) + 6x + 8) = 0

(x^2) + 6x + 8 = 0

(x + 3)^2 - 1 = 0

(x + 3)^2 = 1

x + 3 = +/- sqrt(1)

x + 3 = +/- 1

x = -3 +/- 1

x = -4, -2

Answer Link

Otras preguntas

Select all that apply. What are three reasons for mass immigration today? -disease -better job opportunities -civil wars -famine -education

Anita uses 1 sheet of paper to make a calendar showing each month of the year. how can she divide it so each month is even the same amount

A window shaped like a parallelogram has an area of 49 2/5 square feet. Tge height of the window is 5 1/5 feet. How lonw long is the base of the window?

What is a good hook for speech about puppies?

In a fish tank , 2/10 of the fish were orange and 5/10 of the fish were striped. What fraction of the fish were orange or striped?

What are the three aspects of color?

Which of the following should be identified by name in a literary analysis? A. setting B. author C. main events D. literary devices

A ball has a radius of 18 cm. What is the approximate volume of the ball? Use 3.14 to approximate pi and express your answer in hundredths. cm3

Name and describe the division of gymnosperms

Explain how you know 6/6 and 1 are the equivalent?