A linear equation in the form y = mx + c has slope m
Any line parallel to 3x + 9y = 5 has the same slope
3x + 9y = 5
→ 9y = -3x + 5
→ y = (-3/9)x + 5/9
→ y = -⅓x + 5/9
→ Every line parallel to 3x + 9y = 5 has slope -⅓.
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The slope is -1 .
q2
-4
If it is parallel, it must have the same slope of the original line which is -5.
It equals the slope of the line y = -x. That's a pretty darn strong hint right there is what that is.