OBJECTIVES
Define the following:
System of equations
Consistent
Inconsistent
Dependent
Independent
Solve systems of linear equations by graphing
Determine whether a system of linear equations is
consistent and independent, consistent and
dependent, or inconsistent
System of Equations
• two or more equations
• same variables
1
Consistent
• at least one solution
•
•
•
•
Inconsistent
nt
y­i
e
Slo
p
# S
olu
tio
ns
• no solutions
•
•
•
Consistent ­ Independent
Consistent ­ Dependent
Inconsistent
2
y = ­2x + 5
y=x­1
9x ­ 6y = 24
6x ­ 4y = 16
3
Read pg. 110 ­ 112
pg 113 #13­40 Every 3rd Problem
4