8.1 algebra
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Transcript of 8.1 algebra
What is Algebra??
A set of rules that can be used when working with unknown quantities(variables)
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.
Let's write some rules!!!!!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) = ______
**RULE**
(xa)(xb) = _____
Product Of Powers
Power Of A Power
Try:
try:
Try:
TRY:
1.
2.
3.
Using your notes from yesterday give 2 examples of each number type:
Natural: ______ & _______
Whole Number: ______ & _______
Integer: ______ & _______
Rational: ______ & _______
Irrational: ______ & _______
WARM UP
Monomials
*Instructional Web Examples
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)
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 isfilled. Here is what he saw: (6:00, 2%), (6:15,5%), (6:30, 10%), (6:45, 17%), (7:00, 26%) Ifthe arena continues filling as shown, about whatpercent will be full at 7:30? When will thearena be closest to 100% full?