Substitution Worksheet With Answer Key - Waynesville R-Vi School District Page 31
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38By definition of absolute value, p could be 8 or
6-2 Substitution
So, the correct choice is C.
Graph each system and determine how many solutions it has. If it has one solution, name it.
y = 5
3x + y = 1
To graph the system, write both equations in slope-intercept form.
y = 5
y = 3x + 1
The graph appears to intersect at the point (2, 5). You can check this by substituting 2 for x and 5 for y.
The solution is (2, 5).
x = 1
2x y = 7
To graph the system, write the second equations in slope-intercept form.
x = 1
Page 31
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