find the slope and y-intercept of the second equation.
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m
2
=
0
m2=0
b
=
β
6
b=-6
compare the slopes
m
m of the two equations.
m
1
=
5
,
m
2
=
0
m1=5,m2=0
compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.
m
1
=
5
,
m
2
=
0
m1=5,m2=0
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