Plotting ordered pairs on a coordinate plane.
In this video you will learn the basics of plotting ordered pairs on a coordinate plane.
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In this video I would like to talk about plotting ordered pairs on a coordinate plane
When two perpendicular lines intercept they form a coordinate plane. The horizontal line is the x and the vertical line will be the y
The ordered pair (0 0 ) is the origin
When plotting ordered pairs always start with at the origin.
The x coordinate is the first number in the ordered pair.
With this ordered pair 2 3 the x is the 2, and the y is the 3
The x coordinate show you how much to move left and right, and the y coordinate shows you how much to move up and down.
Coordinate plane is also divided into 4 quadrants.
I have them labeled here, roman numeral 1 2 3 and 4
In quadrant one you are positive, positive.
In quadrant two you are negative positive.
In quadrant three you are negative,negative, and quadrant four you are positive, negative.
Lets work some examples.
We first will look at the coordinate and find the ordered pair, and then next look at the ordered pair and find the location.
First, look at the table and if we look at the table the x we go to the left 3 so that will be negative three, and we will go down negative 2.
The ordered pair is -3 and 2.
The TV is negative 1 and go up 4.
Up next is bookshelf, in which we will go over 1 2 3 4 5, which will be the x value, and go down 1.
Our last one will be the fan, and the first coordinate will be the x so go over 1, and then go down 1 2 3 so the ordered pair is 1 -3
Lets now work the opposite and look at the ordered pair and then find them on the graph.
The first ordered pair is -4 -4.
The first number tells us the x value so we will go over to the left 4, and then down 4, and we find the cot.
Next ordered pair is 3,2 and we find it is a washing machine.
We have two more ordered pairs.
The next ordered pair is 0 and 4 so all we have to do is go up 4, and we find the blender.
Our last pair is 3 negative 4
Start at the origin, and move over 3, and then down -4, and it is the chair.
Finally we will plot -4,3, and we start at the origin and go to the left 4, and up 3 and that is the fridge.
Hope this helps with ordered pairs on a coordinate plane.
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Tagged under: ordered pair,coordinate plane,graphing,math,6th grade math,middle school math,plotting
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