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
hammer [34]
3 years ago
8

I can't solve this equation pleas help!x^2+2x+8=0

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0
x^2+2x+8=0\\
x^2+2x+1+7=0\\
(x+1)^2=-7\\
x+1=-\sqrt{-7} \vee x+1=\sqrt{-7}\\
x=-1-\sqrt7 i \vee x=-1+\sqrt7 i
You might be interested in
How whorls I slice this and what’s the answer?
Olenka [21]
Here is a graph. When you use a graphing calculator, it isn't always necessary to solve for y.

Note different colors are used for the different problems. Problem 2 has a dashed line, as described by "Remember, ...".

3 0
3 years ago
A triangle has side lengths of 34 in., 20 in., and 47 in. Classify it as acute, obtuse, or right.
Anestetic [448]
34^2 + 20^2 = 1156 + 400 = 1556

47^2 = 2209

 because the squares of the 2 smaller sides is less than the square of the longer side the triangle is Obtuse

3 0
3 years ago
Jada plans to serve milk and healthy cookies for a book club meeting. She is preparing 12 ounces
suter [353]

Answer:

4n=c

Step-by-step explanation: i took the quiz if this is wrong its prob a differnt

quiz the last person i answered got md at befor i didnt know what quiz she take a.

7 0
3 years ago
Two forces of 19.8 pounds and 36.5 pounds act on a body with an angle of 61.4 degrees between them.
murzikaleks [220]
<h2>ANSWER:</h2><h2>49.2 </h2>

Based on your question Two forces of 19.8 pounds and 36.5 pounds act on a body with an angle of 61.4 degrees between them.

After setting up the vectors on the plane and doing the required math

The answer is 49.2 pounds

<h2 />
4 0
3 years ago
Read 2 more answers
What is the least common denominator for 3/10 and 7/8?
Helen [10]
3/10 <7/8
Please my answer
6 0
3 years ago
Other questions:
  • The length of a rectangle is six times its width. if the perimeter of the rectangle is 70 inches, find its area.
    15·1 answer
  • The graph shows the solution to which system of equations?
    10·2 answers
  • 350 people went to movies on saturday. fewer people went to the movie on sunday. about 600 people went to the movies in all. how
    12·2 answers
  • Convert 54 yards to cm
    11·2 answers
  • 6x2-2x3+x4<br> Please help
    5·1 answer
  • Which of these methods will produce the most representive sample of the population of cars made by this company
    12·1 answer
  • [tex]\int\limits^a_b {x}2 \, dx
    7·1 answer
  • Jenna and todd are running for president of a school club. The candidates for vice president are todd,annie, and luis. Because t
    5·1 answer
  • CHANGE THE SUBJECT OF A FORMULA
    15·1 answer
  • Find the discriminant for the following equation 3x^2+4x=2
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!