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What are two expressions with comparison symbols called?
If the "comparison symbol" is the equal sign, it is called an "equation". If the symbol is less than, greater than, less-than-or-equal, or greater-than-or-equal, it's called an "inequality".
What are the types of proportion?
Less than Less than or equal to Equal to Greater than Greater than or equal to
What is a mathematical phrase that uses only number and operation signs?
If there is an equal sign, it is called an equation; if there is a less-than, a less-than-or-equal, a greater-than, or a greater-than-or-equal sign, an inequality; if there is none of these, an expression.
What rule must be applied to inequalities when you divide or multiply by a negative number?
You have to flip the inequality sign. If it is less than(<) it has to become greater than(>). If it is greater than(>), it has to become less than(<). If it is less than equal to(<=), it has to become greater than equal to(>=). If it is greater than equal to(>=)., it must become less than equal to(<=).
What is 1-4 equal less than and greater than?
1-4 equal less than and greater than = -3
