3 years ago

Quadratic equation x2+x+9=0

Mathematics

2 answers:

wolverine [178]3 years ago

8 0

Answer:

x= -1+- i√35/2(looks weird so I'll include an image)

Step-by-step explanation:

depends on what you wanted to do with this equation, but I'm going to assume you wanted to factor this.

(-b+- √b^2-4ac)/(2a)=

-1+- √1- 4(1)(9)/ 2=

-1+- √1- 36/ 2=

x= -1+- i√35/2

amid [387]3 years ago

5 0

Answer:

2x+11

Step-by-step explanation:

because x+x=2x

2+9=11

Equation: 2x+11

You might be interested in

Sally has a GPA of 3.35. What percentage of the students have a GPA above her GPA? Show all work. (Note: GPA is normally distrib

DaniilM [7]

The distribution lies within one of the standard of deviation of the mean so 68% 
The distribution lies within two of the standard of deviations of the mean so 95%
The distribution lies within three of the standard of deviations of the mean so 99.7%

7 0

4 years ago

sunscreen is priced at $10 per bottle plus 8% tax if Tanya purchases a bottle of sunscreen with a $20 bill then what is her chan

alina1380 [7]

$9.20

10*1.08 is 10.80. 20 - 10.80 is 9.20.

3 0

3 years ago

Read 2 more answers

Will mark brainliest!! please hurry!

andriy [413]

Answer:

its 300

Step-by-step explanation:

ik its is bc i got it right

3 0

3 years ago

CAN SOMEONE HELP???????????

guapka [62]

Answer:

g(-1) = -1

g(-0.25) = 0

g(2) = 2

Step-by-step explanation:

6 0

3 years ago

Find the length of side X in simplest radical form with a rational denominator. X

german

Answer:

given in the figure an isosceles right triangle

hence

x = √3

√3 is a surd it can't be simplified further

7 0

3 years ago