Algebra-1

1. Recall the meaning of slope:

The slope of a line is given by the ratio of the vertical change (rise) to the horizontal change (run) between any two points on the line. Mathematically, the slope .

A negative slope means that the ratio < 0.

2. Analyze the direction of the line:

When you move from left to right, the -values increase (the run > 0).

For a negative slope, since

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