5-0 – Intro to Graphing Warm up: Using the provided map to complete the questions below. 1. The town hall can be found at the intersection of E. Central Avenue and ___________________________ 2. What can be found at the intersection of N. 3rd Street and E. Jefferson Ave.? _________________________ On the map, you can identify a location by the intersection of two streets. Finding points on a coordinate plane is like finding a location on a map. Key Vocabulary: ______________________ __________________: Formed by two number lines (x-axis and y-axis) ______________ and ______________: Intersect at right angles to divide the plane into four quadrants. ______________________: The first number in the ordered pair (X,Y). Tells how many units to move to the right/left. ______________________: The second number in the ordered pair (X,Y). Tells how many units to move up/down. ___________________ ______________: The first number in the pair represents the x-coordinate and the second represents the y-coordinate. ______________: Where you begin plotting points; (0,0). This is the intersection of the x and yaxis. To plot a point: (2,3) 1. 2. 3. 4. Start at origin. Move 2 units to the right (+2). Move 3 units up (+3). Put your point. Example 1: Finding the coordinates and quadrants of points on a plane. Give the coordinates and quadrant of each point given: Point M: ( , ); Quad. _________ _____ units right, ______units up Point O: ( , ); Quad. _________ _____units left, ______units down Point P: ( , ); Quad. __________* ______ units left *Rule: When a point is on an axis, it is not considered to be in a quadrant. Example 2: Graphing Points on a Coordinate Plane Graph the following ordered pairs on the coordinate plane: A (2, 4) B (-3, 5) C (1, -4) D (-5,-6) E (0,6) F (5,0) Got it? Using the coordinate plane to the right do 1 and 2. 1) Label the x- axis, y- axis, origin and 4 quadrants on the coordinate plane. 2) Indicate what signs each coordinate of the ordered pair must have to be in the 4 quadrants. Label directly on coordinate plane. 3) Exactly where in coordinate plane are the following ordered pairs located? (quadrant, axis, origin) a) ( -4 , 9) b)( 10, 0 ) c) (14, -11) d) ( 0, -16 ) 4) e) (0, 0) Plot the given ordered pairs. (Label with the designated letter) A(3, -5) B(0, 2) 5) f) ( -7, -18) Using the coordinate plane given, write the ordered pairs for each point. G( , ) H( , ) C(-1, -4) D( -6, 0) J( , ) K( E(1, 3) F(-3, 1) L( , ) M( , ) , ) J H K M G L Unit 5-0 Intro to graphing HOMEWORK Exactly where in coordinate plane are the following ordered pairs located? (quad #, axis, or origin) 1) (27, -89) 2) (0, -19) 3) (14, 34) 4) (0, 0) 5) (-66, -23) 6) (-1,103) 7) (126, -12) 8) (-18, 0) 9) (352, -353) 10) Plot the given ordered pairs on the same coordinate plane. Label the points with the designated letter. A( 13, 8) B(-11, -6) C(0, -5) D(6, -7) E( -15, 2) F(0, 0) G(2, 9) H(9, 0) I(8, 5) J(-3, 2) K(0, 7) M(12, -8) 11) Using the coordinate plane at the right, write the ordered pair for each point. A( , ) B( , ) C( , ) D( , ) E( , ) F( , ) G( , ) H( , ) J( , K( , ) L( , ) A L C F H B K D ) E G J