The single largest domain on the SAT Math section. Master linear thinking and you're halfway there.
Solve for x, interpret constants, equations with no or infinite solutions.
Slope, y-intercept, equation of a line, parallel & perpendicular lines.
Function notation, rate of change, interpreting slope and y-intercept.
Solve and interpret single-variable inequalities including word problems.
Solve systems by elimination or substitution. Number of solutions.
Absolute value equations, inequalities, and graphs.