The byproduct of sericulture in different industries.pptx
7.2 graphing rational numbers using a number line
1. Real Numbers on a Number Line
GUIDED EXAMPLE 1 Plot each number on a number line.
REAL NUMBER NUMBER LINE
a.
b.
c.
d.
e.
2. Writing Inequality Statements Using Symbols
GUIDED EXAMPLE 2 Write each statement using inequality symbols.
STATEMENT IN WORDS
a. is less than
STATEMENT IN ALGEBRA
b. is less than
c. is greater than
d. is less than
e. is greater than
f. is greater than
3. Comparing Numbers Using a Number Line
GUIDED EXAMPLE 3 Use a number line to compare each pair of
numbers, and then replace the question mark with the appropriate
symbol, or
PROBLEM
a.
COMPLETED
NUMBER LINE STATEMENT
b.
c.
d.
e.
f.
4. Study Guide
Every real number can be plotted on a number line, which
has positive numbers to the right of 0 and negative numbers
to the left of 0.
Definition: INEQUALITY
An inequality is a statement that shows the relationship between any two
real numbers that are not equal.
Inequality Symbols
The symbol is used to represent the phrase “is less than.”
The symbol is used to represent the phrase “is greater than.”
