mat210
INTRO TO LINEAR EQUATIONS AND SOME APPLICATIONS
Introduction to linear equations:
An equation of a line in 2D space is comprised of two variables.
ax + by = c a, b, and c are constants. This is a linear equation.
An equation of a plane in 3D space
1
Algebra
1.1
Introduction
The Real number system and the number line
Real numbers can be grouped into the following sets.
Natural numbers
Whole Numbers
Integers
Rational Numbers
Irrational Numbers
Ordering the real numbers
a < b if b a is positive.