 The plane is split into 4 regions called Quadrants  Formed by the x-axis and y-axis  The axes intersect at the origin  The quadrants are labeled.

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Presentation transcript:

 The plane is split into 4 regions called Quadrants  Formed by the x-axis and y-axis  The axes intersect at the origin  The quadrants are labeled with Roman Numerals  Start in the (+, +) quadrant and go counterclockwise  Ordered pairs are used to plot points on the plane  (x, y)

y - axis x - axis Origin (0,0) Quadrant I (+, +) Quadrant II (-, +) Quadrant III (-, -) Quadrant IV (+, -)

 Give the coordinates of the points AA BB  Your Turn CC DD  What is the y-coordinate of any point on the x-axis? A B C D (8, -2) (-4, 5) (3, 7) (-7, -4)

 Plot the following points:  A (6, 2)  B (-3,0)  C (1, -4)  D (-5, -1)  What Quadrant are the following points located?  (2,3)  (-4,6)  (1,-9)

 Graph the function y = 2x – 1 with domain -2, -1, 0, 1, and 2 State the range. y = 2x - 1 y = 2(-2) – 1 y = y = -5 (-2, -5) y = 2(-1) – 1 y = y = -3 (-1, -3) y = 2(0) – 1 y = 0 -1 y = -1 (0, -1) y = 2(1) – 1 y = 2 -1 y = 1 (1, 1) y = 2(2) – 1 y = 4 -1 y = 3 (2, 3)

Pg. 209 #3 – 32 all Skip 22 & 23