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
Hitman42 [59]
3 years ago
14

Find X such that f(x)=0 for f(x)= -2x^2-x

Mathematics
1 answer:
Leokris [45]3 years ago
6 0

Answer:

x=\{-\frac{1}{2} ,\:0\}

Step-by-step explanation:

f(x) =-2x^2 -x\\plug \: f(x) =0\\0= -2x^2 -x\\2x^2 + x = 0\\x(2x+1) = 0\\\therefore x =0 \: or \: 2x+1 = 0\\\therefore x =0 \: or \: 2x = -1\\\\\therefore x =0 \: or \: x = -\frac{1}{2} \\\\x=\{-\frac{1}{2} ,\:0\}

You might be interested in
You are running a fuel economy study. One of the cars You find is blue a can travel 41 1/2 miles on 1 1/4 gallon of gasoline ano
maksim [4K]

Answer:

Step-by-step explanation:

hi !

brainly.com/question/5121239

check this someone already asked the question

:)

5 0
2 years ago
Does anyone know what this answer this
serg [7]
I believe the answer is 7 since 8x squared is 64x and subtract 4x=60x
60x/16x multiplied by 5/x-5. but i am not sure since i do not know the value of X sorry buddy, just trying to help
4 0
3 years ago
What is 1/6 divide by 1/3
Xelga [282]

0.555555556 so that's it hope this helped

4 0
3 years ago
Read 2 more answers
I need help ASAP SO RESPOND WITHIS 5.7 sec please
andrew-mc [135]

Answer:

2, 4 are the correct ones

6 0
3 years ago
Read 2 more answers
Is 0.4 kilometers and ,0.25 kilometers more than a kilometer
sergeinik [125]
No, 0.4 kilometers and 0.25 kilometers are not more than a kilometer instead, they are 400 meters and 250 meters
4 0
3 years ago
Read 2 more answers
Other questions:
  • Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
    6·1 answer
  • A round above-ground swimming pool has a diameter of 15 ft and a height of 4.5 ft. What is the volume of the swimming pool?
    14·1 answer
  • Graph y = x+4 ? help
    11·1 answer
  • A cooler contains eleven bottles of sports drink: four lemon-lime flavored and seven orange flavored. you randomly grab a bottle
    7·1 answer
  • Please Help!!
    13·1 answer
  • Which of the following is the solution to the compound inequality below? 3/2x+1/5≥-1 or -1/2 x-7/3≥ 5
    11·2 answers
  • Help ASAP! Abs explain
    6·1 answer
  • Give the quadrant each set of coordinates lies in<br><br> 1 , 5<br> -2 , 4 <br> -3 , 2 <br> 4 , -4
    15·2 answers
  • Bivtches really out here talking about ill give you brainliest like its some big trophy PLS
    8·1 answer
  • What is the value of x in the solution to this system of equations?<br> 5y + 2x = -7<br> y = -2x + 5
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!