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
spin [16.1K]
3 years ago
10

Solve the quadratic equation x^2-2x-8=0

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0
Using cross multiplication

x^{2} -2x-8 =0
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2
You might be interested in
Find the standard deviation for a data set that has a variance of 82.81.
igomit [66]

Answer:

Standard Deviation = 9.1

(Please vote me Brainliest if this helped!)

Step-by-step explanation:

Standard deviation = square root of variance

= \sqrt{82.81} = 9.1

8 0
3 years ago
PLEASE ANYONE HELP I NEED IT DONE BY 11:59 this is the second part to the first part six question all together someone please he
Archy [21]
I believe question 4 is 40 but I’m not sure
6 0
3 years ago
The circle below is centered at the point 8.4 and has a radius of length 4 what is its equation​
pshichka [43]

Answer:

16

Step-by-step explanation:

(x-8)^2 + (y-4)^2= 16

8 0
3 years ago
Anyone know the answer ? Please is it a function or relation?
levacccp [35]

Answer: i think its a function

Step-by-step explanation:

3 0
3 years ago
|a − b + c| , if a=−8; b=−5; c=1<br> please help thx brosuf
Arisa [49]

Answer:

2

Step-by-step explanation:

|a - b + c|  =  | - 8 + 5 + 1|  =  | -  2|  = 2

8 0
3 years ago
Read 2 more answers
Other questions:
  • The area of a square is 160x^5y^2. What is the length of one side?
    9·1 answer
  • A Batch of cookies uses 3 cups of chips
    8·2 answers
  • I need help please and thank you
    11·1 answer
  • Ella was buying candy in bulk at the following rates. What is her cost per pound for each?
    11·1 answer
  • A(7-1), B(6, 4) and C(5, 5) are three
    11·1 answer
  • What is the smallest number that has 1,2,3,4, and 5 as factors
    8·1 answer
  • (giving brainiest)
    13·1 answer
  • Can somebody help me????????????
    6·2 answers
  • Can someone help me please
    15·2 answers
  • Find f(-3) if f (x) =|x+5|
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!