Graph y=-9

Problem

y=−9

Solution

1. Identify the type of equation. The equation y=−9 is a linear equation in the form y=c where c is a constant.

2. Determine the slope. Since there is no x term, the slope m is 0

3. Interpret the geometric meaning. A line with a slope of 0 is a horizontal line.

4. Locate the points. For any value of x the ycoordinate is always −9 This line passes through the yaxis at the point (0,−9)

5. Draw the graph. Plot a horizontal line that crosses the yaxis at −9 and extends infinitely in both the positive and negative x directions.

Final Answer

y=−9

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