Answer :

To graph the equation y + 9 = 0
, we need to first isolate the variable

Given equation: Y + 9 = 0
Subtract 9 from both sides to isolate
У
У = -9
Now, we have the value of Y , Which is -9. To graph this on the Cartesian plane, we look for the point where the line y=-9 intersects the y-axis. Since the y-coordinate is always -9, the line will be a horizontal line parallel to the x-axis passing through the point (0, -9).
So, the graph of the equation
y + 9 = 0 is a horizontal line passing
through the point (0, -9)

Now, we have the value of Y , which is -9. To graph this on the Cartesian plane, we look for the point where the line y=-9 intersects the y-axis. Since the y-coordinate is always -9, the line will be a horizontal line parallel to the x-axis passing through the point (0, -9).
So, the graph of the equation
y + 9 = 0 is a horizontal line passing
through the point (0, -9) on the Cartesian plane.
If you have any further questions or need clarification, feel free to ask!

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