For each line, determine whether the slope is positive, negative, zero, or undefined.
Understand the Problem
The question asks to determine the slope of each given line. The options are positive, negative, zero, or undefined. This is a basic algebra task.
Answer
Line 1: Positive Line 2: Zero Line 3: Negative Line 4: Undefined
Answer for screen readers
Line 1: Positive Line 2: Zero Line 3: Negative Line 4: Undefined
Steps to Solve
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Determine the slope of Line 1. Line 1 rises from left to right. This indicates a positive slope.
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Determine the slope of Line 2. Line 2 is a horizontal line. Horizontal lines have a slope of zero.
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Determine the slope of Line 3. Line 3 falls from left to right. This indicates a negative slope.
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Determine the slope of Line 4. Line 4 is a vertical line. Vertical lines have an undefined slope.
Line 1: Positive Line 2: Zero Line 3: Negative Line 4: Undefined
More Information
The slope of a line describes its steepness and direction. A positive slope goes upwards, a negative slope goes downwards, a zero slope is horizontal, and an undefined slope is vertical.
Tips
A common mistake is confusing zero and undefined slopes. A horizontal line (zero slope) is different from a vertical line (undefined slope).
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