Graphing Ordered Pairs on a Coordinate Plane
Dive into the world of graphing ordered pairs on a coordinate plane with a practical approach. Understand the significance of ordered pairs, locate points accurately using coordinates, and explore the concept of quadrants. Practice identifying and plotting points A, B, C, and D to enhance your skills in graphing.
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Presentation Transcript
Objective The student will be able to: graph ordered pairs on a coordinate plane. Designed by Skip Tyler, Varina High School
In the beginning of the year, I created a seating chart for my classes. I created 5 rows of desks with 4 desks in each row. Brian sits in the third row at the second desk (3,2) and Dwanda sits in the second row at the third desk (2,3). Are these seats the same? No!! The seats (3,2) and (2,3) are called ordered pairs because the order in which the pair of numbers is written is important!!
Who is sitting in desk (4,2)? A B C N 4 D E F G H I J 3 K L M N O 2 P 1 Q 2 R 3 S 4 T 5 1
Ordered pairs are used to locate points in a coordinate plane. y-axis (vertical axis) 5 5 -5 x-axis (horizontal axis) -5 origin (0,0)
In an ordered pair, the first number is the x-coordinate. The second number is the y-coordinate. Graph. (-3, 2) 5 5 -5 -5
What is the ordered pair for A? 5 1. (3, 1) 2. (1, 3) 3. (-3, 1) 4. (3, -1) A 5 -5 -5
What is the ordered pair for B? 5 1. (3, 2) 2. (-2, 3) 3. (-3, -2) 4. (3, -2) 5 -5 B -5
What is the ordered pair for C? 5 1. (0, -4) 2. (-4, 0) 3. (0, 4) 4. (4, 0) 5 -5 C -5
What is the ordered pair for D? 5 1. (-1, -6) 2. (-6, -1) 3. (-6, 1) 4. (6, -1) 5 -5 D -5
Write the ordered pairs that name points A, B, C, and D. 5 A = (1, 3) B = (3, -2) C = (0, -4) D = (-6, -1) A 5 -5 D B C -5
The x-axis and y-axis separate the coordinate plane into four regions, called quadrants. II I (-, +) III (-, -) (+, +) IV (+, -)
Name the quadrant in which each point is located (-5, 4) 1. I 2. II 3. III 4. IV 5. None x-axis 6. None y-axis
Name the quadrant in which each point is located (-2, -7) 1. I 2. II 3. III 4. IV 5. None x-axis 6. None y-axis
Name the quadrant in which each point is located (0, 3) 1. I 2. II 3. III 4. IV 5. None x-axis 6. None y-axis
