Hi Tuga,
A "number line" or "coordinate line." can be used to describe where a point is on the line. To give the exact "address" of a point, we just look at how far the point is from zero, using a minus symbol for numbers to the left of zero. Except we don't call it a minus sign, we refer to these numbers as "negative."
The horizontal number line is called the x-axis and the vertical number line is y-axis.
We still count from zero, but now we will need more than just one number to give the exact "address" of a point. For example, can you describe how to get to this point (3, 6) from zero? We can think about the grid as streets, and the squares as blocks, so we are only allowed to go by the grid lines.
We can first go three blocks to the right, and then six blocks up.
There are many ways to get from one point to another point . To create a standard way of referring to points, mathematicians came to an agreement that they will always name the point after one special way of walking. Starting from zero, we go all the way to the right or to the left, counting steps: one, two, three. Then we go up or down: one, two three, four five, six steps up. Then we write the number of steps like that: (3,6). Again, the first number is "left-right," the second "up-down." A negative sign means either left or down. So, if our point is (-3, -6), we go two steps to the left, and then three steps down.
So the address of a point would be described as (x,y) instead of (left-right, up-down). The mathematical term for the address of a point is called coordinates.
Hope it was useful.
Take care.
2007-09-21 00:37:05
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answer #1
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answered by nk 2
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Every one got it right
first quadrant both x and y are positive
second quadrant x, the first number, is negative and y, the second number is positive, so if you were asked which quadrant does (-3, 6) you would know the answer
third quadrant both numbers would be negative (-3, -6) would be there
fourth quadrant x is positive y is negative
So that's where (3, -6) would hang out...
2007-09-21 00:40:36
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answer #2
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answered by andyg77 7
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1
2007-09-21 00:31:00
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answer #3
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answered by Brooke 2
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(3, 6) lies on the first quadrant
first quadrant (+,+)
2nd quadrant (-,+)
3rd quadrant (-,-)
4th quardrant (+,-)
2007-09-21 00:45:45
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answer #4
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answered by ptolemy862000 4
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You can do it at first glance.
It's in quadrant 1 since the abscissa and y- ordinate are both positive sign.
2007-09-21 00:36:04
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answer #5
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answered by Elmer B 2
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in the first quadrant
2007-09-21 00:28:30
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answer #6
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answered by Anonymous
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since both the co-ordinates x and y are positive its in quadrant 1
2007-09-21 00:40:44
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answer #7
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answered by Veena Madhuri 1
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Quadrant 1
There are 4 quadrants all together.
2007-09-21 00:28:14
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answer #8
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answered by Hello 2
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the first quadrant.
2007-09-21 00:30:47
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answer #9
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answered by dsrtrat 3
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I (quadrant one)
2007-09-21 00:27:21
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answer #10
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answered by Anonymous
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