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# 8.1 algebra

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### 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) = _______
____ * ______ = ______
(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?