Chapter 2 - Rational Numbers
Comparing and Ordering Rational Numbers
The 'Real' Number Sets
The number set is like stacking cups.
N = Natural Numbers: Counting numbers ?
EX: N = 1, 2, 3, 4, 5.
W = Whole Numbers: 0 plus natural numbers
Ex: W = 0, 1, 2, 3
Chapter 3 - Powers and Exponents
Exponent Laws
Multiplying Exponents
To multiply numbers with the same baseI add the exponents.
(aw) = am"
(43x45): H8 32x37: 33 52x32: 25M
Dividing Exponents
To divide numbers with the same base, subtract the exponents.
am
Math 9: Chapter 4 - Scale Factor Review Notes
Example #1
A scale of 2:5 means?
EN eVQI'3 1 in l'lie digs)er Mme M 5 in FCQlHk
63c,
ZQM 'm & (Aicusrgm mpmgqct
5 CM 0": ObjecA
Example #2
What scale is used to create the image on the right from the original
Math 9 Inequalities Review
1. Express the following inequalities for algebraically and graphically
a. Samantha wants to be get a minimum mark of 75% on her next math test.
so 60 7o 80 go :00
b. You must be at least 18 years of age in order to vote.
.55.
M