← Unit 2: Algebra
Mathematics · Grade 9
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Inequalities and Simultaneous Equations — Key Terms
Match each term to its definition.
Inequality
— match —
A statement that one quantity is less than or greater than another.
Two or more equations that are all satisfied by the same values of the unknowns.
A method of removing one unknown by adding or subtracting equations.
A method of replacing one unknown with an expression from another equation.
Simultaneous equations
— match —
A statement that one quantity is less than or greater than another.
Two or more equations that are all satisfied by the same values of the unknowns.
A method of removing one unknown by adding or subtracting equations.
A method of replacing one unknown with an expression from another equation.
Elimination
— match —
A statement that one quantity is less than or greater than another.
Two or more equations that are all satisfied by the same values of the unknowns.
A method of removing one unknown by adding or subtracting equations.
A method of replacing one unknown with an expression from another equation.
Substitution
— match —
A statement that one quantity is less than or greater than another.
Two or more equations that are all satisfied by the same values of the unknowns.
A method of removing one unknown by adding or subtracting equations.
A method of replacing one unknown with an expression from another equation.
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