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Solve the quadratic equation $x^2+8x-9=0$

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 Solution

 Videos

Algebra 2 - Learn how solve a quadratic by completing the square with fractions, x^2 + 3x + 6 = 0

https://www.youtube.com/watch?v=KWBr5zM3tXs

Algebra 2 - Solving by factoring and using the square root method x^2 + 16x + 64 = 15

https://www.youtube.com/watch?v=WGuLJdN2Tuo

Algebra 2 - Solving an equation by completing the square - Math tutoring - tutorial x^2+4x=10

https://www.youtube.com/watch?v=EL6qk1FVa-Y

Algebra 2 - How to use completing the square to solve a quadratic equation y=x^2+8x+13

https://www.youtube.com/watch?v=o6G9YebM3Tg

Algebra 2 - soft sound solving quadratics by completing the square x^2+6x+8=0

https://www.youtube.com/watch?v=-HdVQBzvsLg

Pre-Calculus - Learn how to solve a quadratic equation by factoring, x^2 - 4x + 8 = 0

https://www.youtube.com/watch?v=xi5RQW0Mc3A

 Function Plot

Plotting: $x^2+8x-9$

SnapXam A²

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1

2

3

4

5

6

7

8

9

0



a

b

c

d

f

g

m

n

u

v

w

x

y

z

.

(◻)

+

-

×

◻/◻

/

÷

◻²

◻^◻

√◻

√

^◻√◻

^◻√

∞

e

π

ln

log

log_◻

lim

d/dx

D^□_x

∫

∫^◻

|◻|

θ

=

>

<

>=

<=

sin

cos

tan

cot

sec

csc

asin

acos

atan

acot

asec

acsc

sinh

cosh

tanh

coth

sech

csch

asinh

acosh

atanh

acoth

asech

acsch

 How to improve your answer:

 Main Topic: Quadratic Equations

The quadratic equations (or second degree equations) are those equations where the greatest exponent to which the unknown is raised is the exponent 2.

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