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 of the four lines displayed in the image. The slopes must be classified as positive, negative, zero, or undefined.
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
- Analyze Line 1
Line 1 goes upwards from left to right. This indicates a positive slope.
- Analyze Line 2
Line 2 is a horizontal line. Horizontal lines have a slope of zero.
- Analyze Line 3
Line 3 goes downwards from left to right. This indicates a negative slope.
- Analyze 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. Positive slopes increase from left to right, negative slopes decrease from left to right, zero slopes are horizontal, and undefined slopes are vertical.
Tips
A common mistake would be confusing a zero slope with an undefined slope. Remember that horizontal lines have a slope of zero, while vertical lines have an undefined slope.
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