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Objective The student will be able to:
graph ordered pairs on a coordinate plane. Designed by Skip Tyler, Varina High School
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Who is sitting in desk (4,2)?
A B C D E 3 F G H I J K L M N O 2 A P Q R S T 1 1 2 3 4 5
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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)
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In an ordered pair, the first number is the x-coordinate
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
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What is the ordered pair for A?
5 (3, 1) (1, 3) (-3, 1) (3, -1) • A -5 5 -5
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What is the ordered pair for B?
(3, 2) (-2, 3) (-3, -2) (3, -2) 5 -5 5 • B -5
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What is the ordered pair for C?
(0, -4) (-4, 0) (0, 4) (4, 0) 5 -5 5 • C -5
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What is the ordered pair for D?
(-1, -6) (-6, -1) (-6, 1) (6, -1) 5 -5 5 • D -5
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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
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The x-axis and y-axis separate the coordinate plane into four regions, called quadrants.
II (-, +) I (+, +) III (-, -) IV (+, -)
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Name the quadrant in which each point is located (-5, 4)
II III IV None – x-axis None – y-axis
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Name the quadrant in which each point is located (-2, -7)
II III IV None – x-axis None – y-axis
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Name the quadrant in which each point is located (0, 3)
II III IV None – x-axis None – y-axis
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