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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 are symbols such as inequalities and equals?
Less than: x<y Greater than: x>y Equal to: x=y There is also less than or equal to, which is the less than symbol with a line over it, as well as greater than or equal to, which is the greater than symbol with a line over it. Not equal to is an equal sign with a slash. About equal to is an equal sign but with squiggly lines intead of straight.
-3 ...6 is it greater than equal to or less than?
-3<6 The inequality sign for less than is <
What are the 10 symbol of mathematics?
SymbolName+addition sign, plus sign-subtraction sign, minus signx or ⋅multiplication sign÷ or /division sign=equal≠not equal<less than>greater than≤less than or equal to≥greater than or equal to#number sign( )parentheses&and (ampersand)%percentπpi|x|absolute value of x√square root!factorial±plus or minusˆcaret - to the power of
