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**Q2-1.1a Graphing Data on the coordinate plane**

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**Graph each number on a number line**

a) b) c) d) -1.2

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**Graph each number on a number line**

a) b) c) d) 4.9

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**The Coordinate plane- A horizontal number line (x –axis)**

A vertical number line ( y- axis) Put them together at zero ( origin).

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**( - 2 , 4 ) X – Coordinate Y – Coordinate**

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

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

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**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)

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

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**Find the coordinates of :**

Lunchroom = ( , ) Bathroom = ( , ) Office = ( , ) C-1 = ( , ) C-202 = ( , )

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

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**Graph the following coordinates**

B ( 8 , 1) C ( 0, 4) D ( -1, 1) E ( -4, -2) F ( -3 , -6) G ( 5, -2) H ( 7, 0) I ( 8, -4)

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

B( , ) 5 -4

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

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