PLEASE HELP ME
How many solutions are there to the following system of equations?
2x - y = 2
-x + 5y = 3
A. 0
B. 1
C. 2
D. infinitely
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Nnesha (nnesha):
if both lines intersect then one solution
if both lines are parallel then no solution
if both equations have same slope then infinitely
https://www.desmos.com/calculator
use this graph
Nnesha (nnesha):
let me know what kinda lines are there
OpenStudy (anonymous):
Nnesha u changed your profile pic?
OpenStudy (anonymous):
omg i need to hurry please help
Nnesha (nnesha):
did you graphed both lines ??
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OpenStudy (anonymous):
what you gave me i dont know how to do
Nnesha (nnesha):
okay just write ur equations there
OpenStudy (anonymous):
you can solve both
or you can write in slope form
Nnesha (nnesha):
do you have Ti-84 calculator ??
because if u don't wanna do elimination method or any other
then the easy way to graph it
OpenStudy (anonymous):
no
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Nnesha (nnesha):
then solve both equations for y
Nnesha (nnesha):
lets solve first one |dw:1420999472871:dw|
subtract 2x both side and let meknow what you get