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# 8.1 algebra

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### 8.1 algebra

1. 1.
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3. 3. What is Algebra??<br />A set of rules that can be used when working with unknown quantities(variables)<br />
4. 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.<br />
5. 5. Let's write some rules!!!!!<br />**RULE**<br />2*2*2*2*2*2*2*2 = ______<br />(2*2*2*2*2*2)*(2*2*2*2 ) = ________<br /> ______ * ______ = _______<br />x*x*x*x*x*x = ______<br />(x*x*x*x)*(x*x*x*x*x*x*x*x) = _______<br /> ____ * ______ = ______<br />what about <br /> (x9)(x3) = _____<br /> (x7)(y12) = ______<br />(xa)(xb) = _____<br />
6. 6. Product Of Powers<br />Power Of A Power<br />
7. 7. Try:<br />
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9. 9. try:<br />
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12. 12. Try:<br />
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19. 19. TRY:<br />1.<br />2.<br />3.<br />
20. 20. WARM UP<br />Using your notes from yesterday give 2 examples of each number type:<br />Natural: ______ & _______<br />Whole Number: ______ & _______<br />Integer: ______ & _______<br />Rational: ______ & _______<br />Irrational: ______ & _______<br />
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32. 32. Monomials<br />
33. 33. *Instructional Web Examples<br />
34. 34. Intercepts<br />x-intercept: where the graph crosses the x-axis (therefore it is the point on the graph where y = 0)<br />y-intercept: where the graph crosses the y-axis (the point on the graph where x = 0)<br />
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36. 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<br />filled. Here is what he saw: (6:00, 2%), (6:15,<br />5%), (6:30, 10%), (6:45, 17%), (7:00, 26%) If<br />the arena continues filling as shown, about what<br />percent will be full at 7:30? When will the<br />arena be closest to 100% full?<br />