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_888 [86]
3 years ago
7

Solve the quadratic equation. x2+2x−8=0

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
5 0

Answer:

x=2 or x=-4

Step-by-step explanation:

ax^2+bx+c=0

when solving this equation you should find two numbers that if we multiply them we get c and when we subtract them we get b so in this equation we get 2 and -4

natta225 [31]3 years ago
3 0

Answer:

x=2 x=-4

Step-by-step explanation:

x2+2x−8=0

Step 1: Factor left side of equation.

(x−2)(x+4)=0

Step 2: Set factors equal to 0.

x−2=0 or x+4=0

x=2 or x=−4

Answer:

x=2 or x=−4

You might be interested in
Suppose there are n students in a class what is the probability at least two students have same birthday
vitfil [10]
I don't have enough info to solve this
5 0
3 years ago
Read 2 more answers
Find the circumference using the diameter of 10m
valentina_108 [34]

Step-by-step explanation:

Given:

d = 10 \: m \implies \: r \:  = 5 \: m \\ circumference \:  \: \\  c = 2 \pi \: r \\  = 2 \times 3.14 \times 5 \\  = 10 \times 3.14 \\  = 31.4 \: m \\   \orange{ \boxed{\therefore \: circumference \:  = 31.4 \: m}}

6 0
4 years ago
GEOMETRY HELP ME PLS PLS!!!! THE FOLLOWING ROMBUS!!
Kitty [74]

Answer:

12

Step-by-step explanation:

Diagonals of a rhombus bisect each other at right angles, so in triangle JNK, we have JK=20 and JN=16.

Using the Pythagorean theorem, it follows that KN = 12.

3 0
2 years ago
To get the color dove-white, Ken mixed black paint and white paint in a ratio of 5:3. He used 20 gallons of black paint. How muc
Over [174]
He used 12 gallons of white paint.

Because 20 divided by 5 = 4. Meaning that 4 gallons is one part.

4 x 5 = 20
4 x 3 = 12
4 0
4 years ago
Read 2 more answers
What is the 3rd term of the sequence 4n-1?
notsponge [240]
3(4) - 1 = 12 - 1 = 11
4 0
3 years ago
Other questions:
  • Why is 25 mg lighter than 25 cg
    14·1 answer
  • Record this number in standard form: two hundred twenty-two thousand, one hundred eleven
    11·1 answer
  • How are the original coordinates related to the coordinates after the translation?
    11·1 answer
  • Hey 1200 seat theater sells two types of tickets for a concert. premium seats sell for $30 each and regular seats so for $20 eac
    12·2 answers
  • I need answers on go math 6.2 lesson
    11·1 answer
  • -4.5 x (-2)???????????????????????
    10·1 answer
  • help pls help pls help pls vvvhelp pls help pls vhelp pls help pls help pls help pls vhelp pls help pls vvvhelp pls help pls hel
    11·2 answers
  • Someone please help me answer this!!
    12·2 answers
  • Please help me with this question and show your steps
    5·1 answer
  • I need help with this problem i dont understand
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!