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If the signs of the Cartesian coordinates are:

(+, +) => first quadrant

(-, +) => second quadrant

(-, -) => third quadrant

(+, -) => fourth quadrant.

If one of the coordinates is 0 then the point is on an axis and NOT in a quadrant. If both coordinates are 0 then the point is at the origin.

If the location of the point is given in polar coordinates, then you only need the angle. Suppose the principal angle is Î¦, then

0 < Î¦ < 90 degrees => first quadrant

90 < Î¦ < 180 => second quadrant

180 < Î¦ < 270 => third quadrant

270 < Î¦ < 360 => fourth quadrant.

Again, if the angle is 90, 180 etc degrees, the point is on an axis. If the magnitude is 0 then the point is at the origin.

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Q: How can you tell the quadrant in which a point is located without refferring to the graph?

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Depending how you read the graph it could be the 2nd quadrant anti-clockwise

The first.

Quadrant I ( + , + ) Quadrant II ( - , + ) Quadrant III ( - , - ) Quadrant IV ( + , - )

A graph with x and y coordinates has 4 quadrants, so would be a 4 quadrant graph.

The quadrant in the lower righthand corner.

On an XY graph, the X axis and Y axis create four separate areas. Each one is a quadrant.

Top right.

left top

A graph is divided into 4 sections by one vertical line and one horizontal line. Each of the resultant sections is called a quadrant.

Usually the first quadrant.

It does not necessarily fall.

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