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
RideAnS [48]
3 years ago
14

Please help me figure this out! Thank you so much :( i really need it! ❤️

Mathematics
1 answer:
Hoochie [10]3 years ago
8 0

Answer:

  \textbf{A. }x=2i\text{ or }x=-2i\\\\\textbf{B. }(x+2i)(x-2i)

Step-by-step explanation:

The quadratic can be solved in a straightforward way:

  x^2+4=0\\\\x^2=-4\qquad\text{subtract 4}\\\\x=\pm\sqrt{-4}\qquad\text{take the square root}\\\\x=\pm2i\qquad\text{simplify}

This tells you that the solutions are ...

  2i or -2i

__

For each root of "a", (x -a) is a factor. Thus the factors of the equation are ...

  (x +2i)(x -2i)

You might be interested in
Circles and i neeeeed help
VladimirAG [237]

Answer:

60 degrees

Step-by-step explanation:

Using the 172 degrees and calculating it's distance from the angle, i conclude that it's 60

5 0
3 years ago
Read 2 more answers
Mr. Kevin pays $37.95 per month for his cell phone with unlimited minutes. At this rate, what will his cellphone
masya89 [10]
$37.95 x12= 455.4 so Kevin’s cellphone will cost 455.4 for the year
5 0
3 years ago
Read 2 more answers
Find the area of the circle below. Use 3.14 for pi
djverab [1.8K]

Answer:

Es igual a 28,26 centímetros2.

Step-by-step explanation:

7 0
3 years ago
Jesse walked 3/4 of a mile last weekend. This weekend he wakes 1/2 as far. How far did Jesse wall this weekend ?
Anna35 [415]

3/8 is the answer

3/4 divided by 1/2= 3/8

Hope this helps!

7 0
3 years ago
Read 2 more answers
What do you call a person with dog ears and tail
Studentka2010 [4]

Answer:

a dog

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • How are using graphs equations and tables similar when distinguishing between proportional and nonproportional linear relationsh
    12·1 answer
  • What is the correlation coefficient for the data shown in the
    8·2 answers
  • Can some one help me with this
    15·1 answer
  • Two people located 500 yards apart have spotted a hot air balloon. The angle of elevation from one person to the
    13·1 answer
  • What is the solution 4x-7y=13 2x-7y=3
    5·2 answers
  • Find the sum 1 1/3+1 1/3
    11·2 answers
  • One face of a cube has an area of 12 feet2. What is the surface area of the cube? A. 24 feet2 B. 144 feet2 C. 12 feet2 D. 72 fee
    14·1 answer
  • Angle A is a supplementary to Angle B. If < b = 65 degrees what is the value of x if < A = 5x -20 ?
    9·1 answer
  • What is the value of X? (geometry, right triangles)
    8·1 answer
  • 1/4s=15 solve for s. I’m not sure abt this
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!