To find the slope of a line that is parallel to the line 3x + y = 15, we need to first rewrite the given line in slope-intercept form (y = mx + b), where m is the slope of the line.
Given line: 3x + y = 15
Subtract 3x from both sides:
y = -3x + 15
The slope of the given line is -3. Since lines that are parallel have the same slope, the slope of a line parallel to 3x + y = 15 is also -3.
27.
Find the slope of a line parallel to 3x + y = 15
1 answer