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Q2-1.1a Graphing Data on the coordinate plane. Graph each number on a number line a) 4 b) -3 c) 2.7 d) -1.2.

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Presentation on theme: "Q2-1.1a Graphing Data on the coordinate plane. Graph each number on a number line a) 4 b) -3 c) 2.7 d) -1.2."— Presentation transcript:

1 Q2-1.1a Graphing Data on the coordinate plane

2 Graph each number on a number line a) 4 b) -3 c) 2.7 d) -1.2

3 Graph each number on a number line a) -1 b) 2.2 c) d) 4.9

4 The Coordinate plane- A horizontal number line (x –axis) A vertical number line ( y- axis) Put them together at zero ( origin).

5 Ordered Pair – Tells us where the point is on the coordinate plane ( - 2, 4 ) X – Coordinate Y – Coordinate

6 ( - 2, 4 ) Left 2 on X-axis Up 4 on Y – axis

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8 It breaks the grid into 4 QUADRANTS Quadrant I - x and y values are both positive ex. ( 4, 5) Quadrant II - x value negative, y value is positive ex. ( -3, 4) Quadrant III - x and y values are both negative ex. ( -4, -6) Quadrant IV – x value is positive, y value is negative ex. ( 5, -2)

9 ( +, +) ( -, +) ( -, - ) ( +,- ) Put these ordered Pairs in the correct quadrant

10 Find the coordinates of : Lunchroom = (, ) Bathroom = (, ) Office = (, ) C-1 = (, ) C-202 = (, )

11 Ex. Graph the points: A ( 2,3) B (-1,2) C( -3, -3) D (0, -2) A B C D

12 Graph the following coordinates A ( 4, 3) B ( 8, 1) C ( 0, 4) D ( -1, 1) E ( -4, -2) F ( -3, -6) G ( 5, -2) H ( 7, 0) I ( 8, -4)

13 Ex. Find the missing Coordinates A(5,2) B(, ) C ( -3, -4) D ( ) , 2

14 Ex 2. R ( ) S ( 6, -8 ) P ( ) W ( -4, 7 ) 6, 7 -4, -8

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