SOLUTION: Solve for x and y . How would you go about doing this problem ? https://imageshack.com/i/gvxcdap Thanks for any help.

Algebra ->  Matrices-and-determiminant -> SOLUTION: Solve for x and y . How would you go about doing this problem ? https://imageshack.com/i/gvxcdap Thanks for any help.       Log On


   

Question 830186: Solve for x and y . How would you go about doing this problem ?
https://imageshack.com/i/gvxcdap
Thanks for any help.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!


Then check element by element.
1.-7%2B36=29
2.-2x%2B27=5x%5E2
3.1%2B0=13
4.9y%2B30=-4y
5.-1-3=-4
6.0%2B6=6
From 2,
-2x%2B27=5x%5E2
5x%5E2%2B2x-27=0
Use the quadratic formula to solve for x
From 4,
9y%2B30=-4y
13y=-30
y=-30%2F13
However 3 does not make sense since, 1+0 does not equal 13.