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
sasho [114]
3 years ago
6

Solve (algebraically by any method) 3x to the 2 power +8x - 4= 0

Mathematics
1 answer:
Ratling [72]3 years ago
5 0
3 x^{2} + 8x +(-4) = 0
x = <u>-b + √ b² - 4ac</u>
               2a
x = <u>-8 + √ 8² - 4(3)(-4)</u>
                 2(3)
x = <u>-8 + √64 - 48 </u>
               6
x = -<u>8 + √16
</u>           6<u>
</u>x = -<u>8 + 4 </u>      x = <u>-8 - 4</u>
         6                    6<u>
</u>x = <u>-4  </u>            x = <u>-12</u>
      6                       6    
x =<u> -2 </u>             x = -2<u>
</u>      3   <u>
</u>
You might be interested in
6+8d=7d solve for d.
Margarita [4]

Question -

6 + 8d = 7d

Solution-

6. = 7d - 8d

6. = -d

d. = -6

<h3>Verification </h3>

6 + 8(-6) = 7(-6)

6 - 48. = -42

-42. = -42

LHS= RHS

Hence value of d is -6

hope it helps

4 0
3 years ago
Read 2 more answers
ANSWER QUICKLY PLEASEEEE
Nitella [24]

Answer:

it would be c

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What word best fits this definition
postnew [5]

Answer:

EXTRAPOLATION.

Step-by-step explanation:

We have been given  a crossword puzzle in the figure

And we need to fill the missing word in this which has to be a mathematics word because we need to follow the pattern

And all words are mathematical

Hence, The word that can be filled there is EXTRAPOLATION.

Extrapolation means in mathematics is finding value of the variable on basis of the relationship this variable have with other variable.

6 0
2 years ago
You are buying 30 acres of farm land at $12,000 per acre. What is the total cost?
aalyn [17]

Answer: 360,000 dollars becuz u have to multiply them together

BRAINIEST?



8 0
3 years ago
Read 2 more answers
HELP ASAP PLEASE
yulyashka [42]
A is your answer. Parallel lines never intersect. They both run the same direction, the same distance from each other.

_________________________

_________________________

are parallel lines
7 0
2 years ago
Other questions:
  • Solve for x: show your work<br> 7x=-2
    13·2 answers
  • Suppose the scores on a history quiz are normally distributed with a mean of 73 and a standard deviation of 4. Which group descr
    11·1 answer
  • 2/5 simply to a decimal
    15·2 answers
  • Factor completely 16x2 - 25
    7·1 answer
  • Solve for an angle in right triangles help
    11·1 answer
  • What is 2ft/24inch scaled up by a factor of 10?
    5·1 answer
  • What is the value of y=6−4x when x=2?
    11·1 answer
  • Solve -5w = -80 for w.<br><br> w =
    12·2 answers
  • The venue is preparing for a fashion show in the auditorium. Blue carpet divides the large floor into two sections. The length o
    6·1 answer
  • What is the surface area of the cylinder with height 3 mi and radius 8mil? Round your answer to the nearest thousandth
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!