8.1 algebra
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8.1 algebra Document Transcript

  • 1.
  • 2.
  • 3. What is Algebra??
    A set of rules that can be used when working with unknown quantities(variables)
  • 4. Diophantus, a Greek man from the 3rd century AD, is sometimes called "the father of Algebra"...He is partly responsible for the Algebra we are about to study that deals with solving equations.
  • 5. Let's write some rules!!!!!
    **RULE**
    2*2*2*2*2*2*2*2 = ______
    (2*2*2*2*2*2)*(2*2*2*2 ) = ________
    ______ * ______ = _______
    x*x*x*x*x*x = ______
    (x*x*x*x)*(x*x*x*x*x*x*x*x) = _______
    ____ * ______ = ______
    what about
    (x9)(x3) = _____
    (x7)(y12) = ______
    (xa)(xb) = _____
  • 6. Product Of Powers
    Power Of A Power
  • 7. Try:
  • 8.
  • 9. try:
  • 10.
  • 11.
  • 12. Try:
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. TRY:
    1.
    2.
    3.
  • 20. WARM UP
    Using your notes from yesterday give 2 examples of each number type:
    Natural: ______ & _______
    Whole Number: ______ & _______
    Integer: ______ & _______
    Rational: ______ & _______
    Irrational: ______ & _______
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.
  • 32. Monomials
  • 33. *Instructional Web Examples
  • 34. Intercepts
    x-intercept: where the graph crosses the x-axis (therefore it is the point on the graph where y = 0)
    y-intercept: where the graph crosses the y-axis (the point on the graph where x = 0)
  • 35.
  • 36. Hugo arrives for a basketball game early and watches as the arena fills up. Every 15 minutes he notices about what percentage of the arena is
    filled. Here is what he saw: (6:00, 2%), (6:15,
    5%), (6:30, 10%), (6:45, 17%), (7:00, 26%) If
    the arena continues filling as shown, about what
    percent will be full at 7:30? When will the
    arena be closest to 100% full?