Question

for each line, determine wh line 1 positive negative zero undefined

Explanation:

Step1: Recall slope concept

The slope of a line is positive if it rises from left - to - right, negative if it falls from left - to - right, zero if it is horizontal, and undefined if it is vertical.

Step2: Analyze Line 1

Line 1 falls from left - to - right.

Answer:

Negative