Studied by 9 people
Equation
A mathematical sentence that contains an equal sign.
Solution
A value for the variable that makes an equation true.
Equivalent equations
Two or more equations with the same solution.
Subtraction Property of Equality
If you subtract the same number from each side of an equation, the two sides remain equal.
Addition Property of Equality
If you add the same number to each side of an equation, the two sides remain equal.
Coefficient
The numerical factor of a term that contains a variable.
Division Property of Equality
If you divide each side of an equation by the same nonzero number, the two sides remain equal.
Addition Property of Inequality
If you add the same number to each side of an inequality, the inequality remains true.
Division Property of Inequality
When you divide each side of an inequality by a negative number, the inequality must be reversed for the inequality to remain true.
Inequality
A mathematical sentence that compares two quantities
Multiplication Property of Equality
If you multiply each side of an equation by the same nonzero number, the two sides remain equal.
Multiplication Property of Inequality
When you multiply each side of an inequality by a negative number, the inequality symbol must be reversed for the inequality to remain true.
Two step equation
An equation having two different operations.
Two-step inequality
An inequality that contains two operations.
Subtraction property of inequality
If you subtract the same number from each side of an inequality, the inequality remains true.
