Equation: Mathematical sentence that compares two expressions linked by an equals sign.

Resources for this term:
Sorting Equations and Identities
Sorting Equations and Identities

Students sort algebraic statements into identities, equations with solutions, and equations with no solutions, using manipulation and substitution to justify their choices.

Solving Linear Equations in Two Variables
Solving Linear Equations in Two Variables

Students solve a problem using two linear equations with two variables and interpret the meaning of algebraic expressions.

Finding Equations of Parallel and Perpendicular Lines
Finding Equations of Parallel and Perpendicular Lines

Students identify parallel and perpendicular lines and find points of intersection and x- and y-intercepts by looking at the equations of the lines.

Forming Quadratics
Forming Quadratics

Students use algebra and graphs to explore how the standard, factored, and completed square forms of a quadratic relate to the intercept, roots, maxima, and minima of function.

Optimization Problems: Boomerangs
Optimization Problems: Boomerangs

Students solve a problem of optimizing within constraints and then explore alternative algebraic and graphical approaches involving systems of linear equations.

Modeling Situations With Linear Equations
Modeling Situations With Linear Equations

Students explore relationships between variables in everyday situations using graphs, tables, and formulae.

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