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Name: _____________ kvhs.blackboard.com Login My Courses Tab Alg I Sem I Lesson 10 Play Lesson “The Coordinate Plane” The Coordinate Plane Lesson 10.1 Warm up Equation: (Just solve first problem, then push the skip button) A Coordinate Plane is made up of two perpendicular ___________ ________. Horizontal Number Line: ___ - _________ Vertical Number Line: ___ - _________ The point at which the x and y axes intersect is called the ____________. The location of a point on the coordinate plane is called its _______________. LABEL the 3 parts above on this coordinate plane: Point (Ordered Pair): First number, x, gives the ____________ position. Second number, y, gives the ____________ position. EXPLORE: (move point around coordinate plane) 1) When is the x-coordinate positive? ________________________________________ 2) When is the x-coordinate negative? ________________________________________ 3) When is the y-coordinate positive? ________________________________________ 4) When is the y-coordinate negative? ________________________________________ EXPLORE: (move point along the x-axis) 1) What do you notice about the coordinates of a point along the x-axis? __________________________________________________________________ 2) Name three examples of points on the x-axis. _______________________________ EXPLORE: (move point along the y-axis) 3) What do you notice about the coordinates of a point along the y-axis? __________________________________________________________________ 4) Name three examples of points on the y-axis. ________________________________ The x and y axes divide the coordinate plane into _________ regions called ______________. Label the quadrants below: Quadrant I II III IV Sign of x coordinate ( ( ( ( Sign of y coordinate ) ) ) )