Ohio Mathematics Academic Content Standards (2001)
Patterns, Functions and Algebra Standard
Solve and graph linear equations and inequalities.
Principles and Standards for School Mathematics
Represent and analyze mathematical situations and structures using algebraic symbols
explore relationships between symbolic expressions and graphs of lines, paying particular attention to the meaning of intercept and slope;
write equivalent forms of equations, inequalities, and systems of equations and solve them with fluencymentally or with paper and pencil in simple cases and using technology in all cases;