Time remaining:
(x, y) = If there is exactly one solution, use the graph to find it. (If th

Algebra
Tutor: None Selected Time limit: 0 Hours

Graph the linear system, either by hand or using a graphing device.

 
x + 
1
4
y
 = −2
4x − y = 8

(xy) = 
  
Apr 23rd, 2015

-x+4y=-2

4x-y=8

let us eliminate x first by multiplying  the first equation by 4

-4x+16y=-8

4x-y=8

let us the two equation

15y=0

y=o

substituting for y in the first equation

-x+(0*4)=-2

x=2

(x,y)=(2,0)

Apr 23rd, 2015

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Apr 23rd, 2015
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