Junior Cycle · Functions and Graphs Lesson 4 of 7

JCHL Functions 4: Drawing Quadratic Graphs

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You’ll learn

  • Make a table of values: sub each x in the domain into the function to get y
  • Plot the points and join with a smooth CURVE — a positive x² is a U-shape, a negative x² is an n-shape
  • The minimum (or maximum) point is the very bottom (or top) of the curve

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