![mirellaenriquez5529](/avatars/453.jpg)
mirellaenriquez5529
14.12.2020 •
Mathematics
If using the method of completing the square to solve the quadratic equation
x2 + 11x + 30 = 0, which number would have to be added to "complete the
square"?
Solved
Show answers
More tips
- H Horoscopes, Magic, Divination How to Cast a Love Spell on a Guy? Guide for Guys...
- S Style and Beauty Tricks and Tips: How to Get Rid of Freckles...
- H Health and Medicine How to perform artificial respiration?...
- C Computers and Internet How to Get Rid of Windows Genuine Check?...
- F Food and Cooking The Disease That Haunted Abraham Lincoln...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- S Style and Beauty How are artificial nails removed?...
- F Family and Home How to Sew Curtain Tapes: Best Tips from Professionals...
- F Family and Home How to Properly Use a Water Level?...
- L Legal consultation What Documents Are Required for a Russian Passport?...
Answers on questions: Mathematics
- M Mathematics A survey asked people which kind of pet they owned. The results are shown in the table below. Male Female Total Own a cat 26 35 61 Own a dog 75 60 135 Own other 60 45 105 Own no...
- M Mathematics What is 19 over 57 in simplest form...
- E English Which choice best describes the narrator s view of urban legends? mark this answer as eliminated an interesting topic to investigate. mark this answer as eliminated a juvenile...
- M Mathematics Help I dont understand this Identify any transformations that are used in each image below. Some images may have multiple answers so make sure to include them all.-Reflections...
- M Mathematics Please help me I always fail Inequalities...
- B Business Marketers segment markets to achieve which of the following objectives? a. To create an offer that best fits the desires of the groups that exist in the marketb. To identify the...
- M Mathematics HELPPP MEEE PLZZ ok so If i have 70$ dollars the amout is just right so i can buy 4kg of fish and 3kg of prawn so i bought it and my change was $3.50 How much is 1kg of prawn?...
Ответ:
The number to add is (11/2)^2 = 121/4
Step-by-step explanation:
Here, we want to know the number that will complete the square
We rewrite the equation as follows;
x^2 + 11x = -30
x^2 + 11x + (11/2)^2 = -30 + (11/2)^2
x^2 + 11x + 121/4 = -30 + 121/4
Ответ: