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avatar+1405 

Help me please.

 

What is the quickest method to solve these system?

 

{9x2-2y2=16

{-3x2+2y2=4

 

A. Addition/Subtraction

B.Multiplication/Division

C.Graphing

D.Substitution

 Mar 6, 2018
 #1
avatar+100516 
+1

Definitely....addition/subtraction  (the 2y^2 terms will  cancel....!!! )

 

cool cool cool

 Mar 6, 2018
 #2
avatar+1405 
+1

Thanks Cphill

 Mar 6, 2018

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