4.1 notes

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4.1 notes

  1. 1. 4.1 Objective: Identify and plot points in a coordinate plane.
  2. 2. Coordinate Plane Y Axis Origin (0,0) X Axis Quadrant 1 (+,+)Quadrant 2 (-,+) Quadrant 4 (+,-)Quadrant 3 (-,-)
  3. 3. Ordered Pairs • (x,y), (left/right, up/down) • Identify: – A – B – C – D C D B A (2,4)(-4,4) (1,-3) (-3,-4)
  4. 4. Label • Origin • Y axis • X axis • Quadrant 1 • Quadrant 2 • Quadrant 3 • Quadrant 4 • (5,8) • (-6,-5) • (-7,5) • (9,-6)
  5. 5. Graph: y=2x-1 (Domain: -2, -1, 0, 1, 2) y=2x- 1x y
  6. 6. Graph: y=-1/3x+2 (Domain: -6, -3, 0, 3, 6) y = -1/3x+2 x y
  7. 7. Graph: y=-1/3x+2 (Domain: -6, -3, 0, 3, 6) y = -1/3x+2 x y

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