The slopes of parallel line are the same.
We have: 0.5x - 5y = 9
Let's transform to slope-intercept form y = mx + b
0.5x - 5y = 9 |-0.5x
-5y = -0.5x + 9 |:(-5)
y = 0.1x - 1.8
Your answer is m = 0.1
0.5x - 5y = 9
Make y the subject:
5y = 0.5x - 9
Match equation with y = mx + b
m = slope = 0.1
Parallel Slope = 0.1
Answer: The slope of the parallel line is 0.1
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