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
Yanka [14]
3 years ago
7

The sum of the roots of 2x squared + 8x -3=0 is?

Mathematics
1 answer:
Helen [10]3 years ago
4 0
According to Vieta's formula, if x_1,x_2 are solutions of quadratic equation ax^2+bx+c=0, then:

\displaystyle x_1+x_2=- \frac{b}{a}

In our case:

\displaystyle x_1+x_2=- \frac{8}{2} =-4
You might be interested in
AYOOO PLZ HELP ASAP!!!
tamaranim1 [39]

Answer:

B.

Step-by-step explanation:

Well we know that

224=2^{5} *7

so we can get the 2 outside of the radical

x^{11} =(x^{5} )^{2} *x

and we can get the x^2 outside too.

y^8=y^5*y^3

and we also can get y outside.

so we have:

2x^{2}y\sqrt[5]{7xy^3}

7 0
3 years ago
ANSWER ASAP --- NO LINKS-- 25 POINTS
Crazy boy [7]

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. The surrounding gas must not be saturated with the evaporating substance. When the molecules of the liquid collide, they transfer energy to each other based on how they collide with each other. Wikipedia

3 0
3 years ago
2a^2 + -1(2-a)+3b ; a = 5 , b = 0
Andreas93 [3]
The answer is 53
——————————-
8 0
3 years ago
Read 2 more answers
How many cups of flour do you need for 3 cups of cashews fill in the information in the table. Thanks
Andrei [34K]

Answer:

gh

Step-by-step explanation:

4 0
2 years ago
5x - 3y = 24////standard form to slope intercept form
zhenek [66]

Answer:

y =5/3x - 8

Step-by-step explanation:

5x - 3y = 24

-3y = -5x + 24

y = 5/3x - 8

7 0
3 years ago
Other questions:
  • The photo below is the reduced form of a 16-by-20-inch print. What is the scale factor being used to reduce te
    9·1 answer
  • Find the area of the parrallelogram
    15·1 answer
  • The three circles in the diagram have center ABC true or false
    13·1 answer
  • Your class started at 12:12PM and ended at 12:50PM. What angle did the minute hand of a watch sweep through during the class? A.
    13·1 answer
  • Solve for v.<br><br> (v-1)^2 = 2v^2 -5v -17<br><br> If can be more than one solution or no solution
    12·1 answer
  • [+10x_7]+[9x+9] what answer of this if you simplify your answer
    5·2 answers
  • Ryan uses a random name generator to choose 50 students from his high school. Of
    13·1 answer
  • A sea lion was swimming at 5 feet below sea level. The number line shows
    8·1 answer
  • Complete the sentences to compare the functions.
    12·1 answer
  • What is the z-score with a confidence level of 95% when finding the margin of error for the mean of a normally distributed popul
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!