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1- An ordered pair of real numbers can be represented in a plane called the rectangular coordinate system or the ___ plane

2) the _ & is a result dervived from the pythagorean theorem

3) (find the coordinate of the points) the point is located three to the left of the y axis and four units above the x axis

determine the quadrants in which x,y is located so that conditions are satisfied (for questions 4,5 & 6)

4) x > 0 and y < 0
5) x= -4 and y > 0
6) x < 0 and -y > 0

Find the distance between the points
(Q 7 8 9)

7 (-2,6), (3,-6)
8 (1,4), (-5,-1)
9 (1/2,4/3) , (2,-1)