stephanie1105
27.06.2019 •
Mathematics
Classify the system of equations 2x=-3-y 4+y=-2x-2
intersecting
parallel
coincident
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Ответ:
parallel
Step-by-step explanation:
we have
2x=-3-y
isolate the variable y
y=-2x-3 > equation A
4+y=-2x-2
isolate the variable y
y=-2x-2-4
y=-2x-6 > equation B
Remember that
If two lines are parallel, then their slopes are the same
Line A and Line B have the same slope m=-2 and different y-intercept
therefore
The lines are parallel
Ответ:
Second option: Parallel.
Step-by-step explanation:
The equation of the line in Slope-Intercept form is:
Where "m" is the slope and "b" is the y-intercept.
Solve for "y" in each equation:
Equation 1
Equation 2
You can notice that the slope of the Equation 1 is:
And the slope of the Equation 2 is:
Observe that
, then you can conclude that the lines are: Parallel.
Ответ: