1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
andrey2020 [161]
2 years ago
15

0=x^2+2x-11 solve by completing the square

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
6 0

Answer:

Below in bold.

Step-by-step explanation:

x^2 + 2x- 11 = 0

x^2 + 2x = 11

x^2 + 2x + 1 = 11 + 1

(x + 1)^2 = 12

x + 1 = ±√ 12

x = -1  ± √12

= -4.464, 2.464 to the nearest thousandth.

You might be interested in
Help plz help plz help
nasty-shy [4]
No okokokokokokokokokokokokok
5 0
3 years ago
Read 2 more answers
Write the equation for the vertical line that contains point E(-7,7)
Levart [38]
Vertical line are represented by x = a number....that number being the x value in ur set of points

so ur equation is : x = -7
5 0
3 years ago
HOW MANNY YARDS ARE IN A FEET
Vladimir [108]

Answer:

0.333333 yards in a foot

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help me
lesya [120]
1_ 0/4. ( if toss a coin twice, we won't have three results)

2_ 0/4

3_ 3/4

4_ 3/4

5 _ 1/4

6_ 1/4


good luck
4 0
3 years ago
Please see attachment!!! The formula for finding the area of a rectangle is
pychu [463]

Answer:

36cm^2

Step-by-step explanation:

4cm×9cm=36cm^2

5 0
3 years ago
Read 2 more answers
Other questions:
  • I don’t understand what it’s asking me can someone explain without giving me the answer?
    7·2 answers
  • Which value of c would make the following expression completely factored?
    8·2 answers
  • The vertex form of the equation of a parabola is y = 2(x + 3)2 - 5.
    5·1 answer
  • A school purchases boxes of candy bars each box contains 50 candy bars each box cost $20. how much does the school have to charg
    13·2 answers
  • A manufacturer has fixed costs of $16,000 per month and can produce w widgets at a cost of 0.1w^(2) + 20w. How many widgets shou
    6·1 answer
  • Dione has 3 rolls of pennies containing 50 coins each, 4 rolls of nickels
    9·1 answer
  • Michael is buying a pair of jeans that regularly cost $40. They are on sale for 20% off. If the tax rate is 8%, what is the sale
    13·1 answer
  • 1.905 rounded to the nearest tenth
    6·1 answer
  • 3.21 x 10 what's the answer and i know the answer i'm just bored
    9·2 answers
  • PLEASE HELP?!?!?!?!? SUPER EASY!!! POINT POINTS POINTS<br> 2 1/3 x 1 3/4 =
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!