LifeIsADangerousGame
  • LifeIsADangerousGame
Help with understanding what my teacher wants?
Linear Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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LifeIsADangerousGame
  • LifeIsADangerousGame
She wants me to give her "Give only the solution to the system." this is the system y = -2 y = 4x + 8
anonymous
  • anonymous
Simple! Use the substitution method to replace the y with the -2 xD
LifeIsADangerousGame
  • LifeIsADangerousGame
She wants me to solve that using graphing though

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LifeIsADangerousGame
  • LifeIsADangerousGame
@Ryan055
ganeshie8
  • ganeshie8
u have geogebra ?
LifeIsADangerousGame
  • LifeIsADangerousGame
No
ganeshie8
  • ganeshie8
wat do you have for graphing ?
anonymous
  • anonymous
find where lines intersect
LifeIsADangerousGame
  • LifeIsADangerousGame
I'm using wolframalpha, I know where the lines connect and everything, but how do I give her just the solution to the system?
anonymous
  • anonymous
|dw:1378413504446:dw|
ganeshie8
  • ganeshie8
you need to her the intersecting point of both the lines :- (x, y )
ganeshie8
  • ganeshie8
you may simply tell her, the solution is : x = -5/2, y = -2
LifeIsADangerousGame
  • LifeIsADangerousGame
Ohh okay, thank you!
ganeshie8
  • ganeshie8
np :) get geogebra for graphing euclid shapes... its much better than online wolframalpha
LifeIsADangerousGame
  • LifeIsADangerousGame
okey doke!
ganeshie8
  • ganeshie8
:) here is how the lines , and solution look in geo..
1 Attachment
ganeshie8
  • ganeshie8
have fun !!
LifeIsADangerousGame
  • LifeIsADangerousGame
Thanks again!

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