Download 1-1: Properties of Real Numbers Subsets (pg 5)

1-1: Properties of Real Numbers
Subsets (pg 5)
Example 1 (pg 6)
a) Cost C in dollars of admission for n people
b) Maximum speed s in meters per second on a roller coaster of height h in meters
c) Park's profit (or loss) P in dollars for each week w of the year
Graphing Numbers on a Number Line
Example 2 (pg 6)
Graph the numbers
Quick Check 2--Graph the numbers
Ordering Real Numbers
Example 3--Compare
Quick Check 3--Compare
and
Use the symbols < and >
and
Properties of Real Numbers (pg 7)
opposite or additive inverse of any number a is -a
sum of opposites is 0
reciprocal or multiplicative inverse of any nonzero number a is
product of reciprocals is 1
Example 4 (pg 7)
Find the opposite and reciprocal of each number
Quick Check 4--Find the opposite and the reciprocal of each number
Properties of Real Numbers (pg 7)
see table!
Example 5 (pg 7)
Name the property illustrated
Quick Check 5--Name the property illustrated
absolute value--distance from zero on the number line
Example 6
Quick Check 6
Assignment: 1-1 Wksht #1-8, 25-34, 39-45; Pg 9 #79-83