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
densk [106]
3 years ago
15

What is the value of the discriminant for the quadratic equation 0 = x + 2 + x2? Discriminant = b2 – 4ac –9 –7 7 9

Mathematics
2 answers:
padilas [110]3 years ago
4 0

Answer:

-7

Step-by-step explanation:

x^2+x+2=0 \\\\b^2-4ac= \\\\1^2-4(1)(2)= \\\\1-8= \\\\-7

Hope this helps!

Vsevolod [243]3 years ago
4 0

Answer:

Step-by-step explanation:

First get it into ax^2+bx+c

a=1

b=1

c=2

sqrt(b^2-4ac)=1-8=sqrt(-7)=sqrt(7)*i

You might be interested in
Simplify. 3.3÷(0.8−3)−0.5 Enter your answer in the box.
Veseljchak [2.6K]

Answer:

-2

Step-by-step explanation:

3.3÷(0.8−3)−0.5

First think of PEMDAS

So first do parenthese

(0.8-3)=-2.2

3.3÷-2.2-0.5

Now do division

3.3/-2.2=-1.5

and now subtraction

-1.5-0.5=-2


6 0
3 years ago
Read 2 more answers
Bruh can someone please help me
svlad2 [7]
It is $1.21 per song downloaded
3 0
4 years ago
Read 2 more answers
Write and simplify an expression for the perimeter of each figure.
xxTIMURxx [149]
3a- 2b + 8b - 2 + 6a + 3c
3a + 6a -2b +8b + 3c - 2
9a + 6b + 3c - 2
4 0
3 years ago
Find the product of 4.1x10*2<br><br><br>​
Lera25 [3.4K]

Answer: 410

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
. name four rays shown?
Aliun [14]
The rays shown in the pictur: Ray VX, YZ , XY, ZV..... Plus more!
4 0
3 years ago
Other questions:
  • If a cube-shaped cell is 3 units tall by 3 units wide and 3 units long, what is the cell's surface-area-to volume ratio?
    11·1 answer
  • Mr. Rogers has $4.62. He has 3 times as many dimes as nickels and 6 more pennies than dimes. How many coins of each kind does he
    9·1 answer
  • A large university accepts 70​% of the students who apply. Of the students the university​ accepts, 45​% actually enroll. If 30
    14·1 answer
  • What is the value of x?
    8·2 answers
  • Paula has 4 bananas. She wants to divide each of them into 1/6 sections. How many 1/6's are there in 4 bananas?
    12·1 answer
  • A boat traveled 175 miles downstream and back. The trip downstream took 5 hours. The trip back took 7 hours. What is the speed o
    9·1 answer
  • Lucy has played in six soccer matcher
    5·2 answers
  • Is 2 divided by 1/4 greater than 1
    9·1 answer
  • HI PLS HELP ASAP ILL GIVE BRAINLIEST
    6·2 answers
  • Pls help! due tonight! Will give brainliest! And pls explain! 16 points!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!