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?