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
baherus [9]
3 years ago
13

Use the quadratic formula to solve the equation. -2x^2-x+7=0.

Mathematics
1 answer:
Furkat [3]3 years ago
8 0
<span>-2x^2-x+7=0  
Variable with the highest degree's (exponent) constant, -2 is a, next variable's constant, -1 is b, the constant or number without a variable, 7 is c

using substitution put the numbers into the formula
</span>(-b±√(b^(2)-4ac))/(a^(2))

(-(-1)±√((-1)^(2)-4(-2)(7))/((-2)^(2)) simplify 

(1±√(1+56))/4

1±√(57)/4 is your answer
You might be interested in
Look at this set of ordered pairs:
jeka57 [31]

Answer:

  • No

Step-by-step explanation:

<u>Given ordered pairs:</u>

  • (3, -13)
  • (3, 2)
  • (18,-5)

There is a repeat of domains (3) with different range (-13 and 2) but the function can't have repeat domains so it is not a function

4 0
2 years ago
Read 2 more answers
Which property is represented ? <br> 0+45=45 what represents the property
choli [55]
Property of addition.
5 0
3 years ago
Read 2 more answers
Can somebody help me
spin [16.1K]
The answer to this is B
4 0
2 years ago
Read 2 more answers
Please help will give brainliest<br> And happy Halloween
kramer
Answer to the problem is s=0.6
3 0
3 years ago
Read 2 more answers
PLZ ANSWER FAST WILL GIVE BRAINLIEST Find the value of x.<br> 148
ludmilkaskok [199]
74 degrees

An angles value is 1/2 of the value of its corresponding arc. Angle x has the corresponding arc of 148, so it’s 148/2 or 74 degrees
3 0
3 years ago
Other questions:
  • Indicate in standard form the equation of the line passing through the given points.
    9·2 answers
  • Factor by grouping 2x^2-5x-2x+5
    7·1 answer
  • Kelly was building a bed for her dollhouse. She used her bed, which is 4 feet × 6 feet, as a guide. She scaled down the dimensio
    13·2 answers
  • Find the length of the segment. Round your answer to the nearest tenth. ​
    8·1 answer
  • Write an algebraic equation for each word phrase and solve each question.
    14·1 answer
  • Find the values of x and y. <br> x + 7i = y − yi
    12·2 answers
  • Which of the following equations , in it's simplest form , will be equivalent to 3x+2+(-5)?
    5·1 answer
  • 22 х (-9+4)<br> Need help please
    12·2 answers
  • You select 32 marbles from a bag. The results are as follows: 6 blue marbles, 5 green marbles, 4 red marbles, 8 white marbles, a
    6·1 answer
  • Let U={1,2,3,4,5,6,7,8}A={2,3,6}B={2,4,5,7}C={1,7,8}Find the following use the roster method to write method to write the set. E
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!