A.4 EQUATIONS 

A.4a SOLVE LITERAL EQUATIONS (FORMULAS) 





A.4b JUSTIFY STEPS WITH EQUATIONS 

1 
Use field properties 
 Embedded within A.4a and A.4d


2 
Use axioms of equality 

A.4c QUADRATIC EQUATIONS 

1 
Solve algebraically 


2 
Solve graphically 

A.4d LINEAR EQUATIONS 

1 
Solve multistep algebraically 


2 
Solve multistep graphically 

A.4e SYSTEMS OF EQUATIONS 

1 
Solve graphically 


2 
Solve by substitution 

3 
Solve by elimination 

A.4f REAL WORLD EQUATION PROBLEMS 

1 
Solve using equations 
 Embedded within A.4a, A.4c, A.4d, A.4e


2 
Solve using system of equations 