Reminder to hand in your "Rational Exponents" Assignment

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Reminder to hand in your "Rational Exponents" Assignment 3 Stations that you will be rotating through during class... Investigations #1 - At the smart board Investigation #2 - With scissors and scrap paper Station #3 - Getting your Trigonometry assignments back.

Investigation #1 1. Tap each colour set of dice. 2. Cover up any 6's with a black box. 3. Record how many dice are LEFT OVER. 4. Re-roll the dice 5. Repeat Steps 1-4.

Exponential Definitions Exponential Relations - Rapid growth or decay - Used a lot in science ex. Nuclear material, bacteria growth etc Exponential Relation Ratio - Divide consecutive y values - If the ratio is constant, it is exponential. - If the ratio is not constant, it is not exponential.

Number of Cuts Number of Pieces Ratio 1 2 4 3 8 16 5 32 6 64 7 128 256

Exponential Decay -An exponential function that results in a decreasing quantity -Its graph is a downward curve Half Life -The time it takes for a quantity to decrease to half its original amount -commonly used to calculate how many years until nuclear material is half as much.

Exponential Growth - An exponential function that results in an increasing quantity. - Its graph is a upward curve. Doubleing Period - The time it takes for a quantity to double in amount from its original amount. - It is commonly used in bacteria growth and how long it takes for the number of bacteria in a sample to double.

Paper Cutting Investigation X Y 1 2 4 3 8 16 5 32 6 64 7 128 256

Homework Pg. 309 #1, 2, 4, 5, 6, 8