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
Irina-Kira [14]
3 years ago
13

X^2+4r=-4

Mathematics
1 answer:
kap26 [50]3 years ago
6 0

Answer:

The root is x = -2

Step-by-step explanation:

1. Add 4 on both sides.

x^2 + 4r + 4 = 0

2. What two numbers, if added together and multiplied together, give 4?

2 and 2.

3. Factor

(x+2)(x+2)=0

4. Solve

x = -2 (There is only one root for this quadratic equation.)

Please give me brainliest is this is right. Than you!

You might be interested in
Factor the expression completely -20x -40
Alenkasestr [34]
X=2
 

its x=2 because you have to divide -20x by -40 so the two negatives cancel out each other and then you get 2.
6 0
3 years ago
Read 2 more answers
I’m having trouble with this. There should be an image or a link attached.
alina1380 [7]

Answer:

1.) n-10

2.) 4 / x=x (dont trust me on this)

3.) -8n+1

4.) 1/2 - 19 ( dont trust me on this)

5.)3/5-21 or 3/5>21

6.)x^+15

Step-by-step explanation:

I tried double check  it

its been awhile

5 0
3 years ago
How do you graph y=3x-2
aleksandr82 [10.1K]

Answer:

The graph should look almost exactly like this. I used a virtual graphing chart to assist, since it is capable of showing more than paper alone.

4 0
2 years ago
Read 2 more answers
Please help me solve the table below
ArbitrLikvidat [17]

Answer:

2, 4 ,6 8

Step-by-step explanation:

Given condition y = 2x

When x = 1 , y = 2 *1 = 2

When x = 2 , y = 2 * 2= 4

when x = 3 , y = 2* 3 = 6

When x = 4 , y = 2 * 4 = 8

Hope it will help :)

5 0
3 years ago
When you multiply 2/3 by a fraction less then one how does the product compare to the factor
Vilka [71]

Answer:

The product will always be less than the factor.

Step-by-step explanation:

When you multiply numbers less than 1, you get a smaller factor each time.

6 0
3 years ago
Other questions:
  • 5 x (-9) help meeee plzzzzz
    5·2 answers
  • Please answer as soon as possible!!! Thank you
    12·1 answer
  • Out of every 240 containers of juice brought in a grocery store, 116 are orange juice. what fraction purchased is orange juice
    13·2 answers
  • What percent of 60 is 51
    14·1 answer
  • Whats 6,025÷n=25 answer
    12·1 answer
  • Libby wants to measure the length of a pond. She measured 13 yd from point X to point Z and 12 yd from point Y to point Z. What
    7·1 answer
  • Prove the identity with steps. sin (x-y)/cos x sin y = tan x cot y -1​
    10·1 answer
  • Whats the original price for this?
    11·2 answers
  • What is the the value of m in the equation 1/2m-3/4n=16, when n=8
    5·1 answer
  • Last month McKinneys Apothecary dispense the following liquid medication 1 gallon 3 quarts 7 pints and 3 dozens 6ounces of bottl
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!