What does this mean >=?
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What does this mean >=?
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Greater than or equal to as the name suggests, means something is either greater than or equal to some quantity. Greater than or equal to is represented by the symbol “≥”. For example, x ≥ −2 means the value of x should be greater than or equal to −2.
What does it mean when it says or in an inequality?
“Or” indicates that, as long as either statement is true, the entire compound sentence is true. It is the combination or union of the solution sets for the individual statements. A compound inequality that uses the word “and” is known as a conjunction.
What is the one rule when solving inequalities?
One-step inequalities are solved by multiplying both sides of the equation by a number. One-step inequalities are solved by dividing the same number into both sides of the equation. One-step inequalities are solved by multiplying the reciprocal coefficient of the term with a variable to both sides of the equation.
What is this symbol () called?
parentheses
What are parentheses ( )? The most familiar of these symbols is probably the ( ), called parentheses. Fun fact: one of them is called a parenthesis, and as a pair, the plural are parentheses.
What is this symbol called?
This table contains special characters.
| Symbol | Name of the symbol | Similar glyphs or concepts |
|---|---|---|
| & | Ampersand | |
| ⟨ ⟩ | Angle brackets | Bracket, Parenthesis, Greater-than sign, Less-than sign |
| ‘ ‘ | Apostrophe | Quotation mark, Guillemet, Prime |
| * | Asterisk | Asterism, Dagger |
What is an inequality on a number line?
In math, an inequality shows the relationship between two values in an algebraic expression that are not equal. Some inequality symbols will have a line underneath them: ≥ and ≤. This means that the two sides of an inequality expression could potentially be equal.
How do you describe inequality?
An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value. a ≥ b means that a is greater than or equal to b.
What is the name of _?
Alternatively referred to as a low line, low dash, and understrike, the underscore ( _ ) is a symbol found on the same keyboard key as the hyphen. The picture shows an example of an underscore at the beginning and end of the word “Underscore.” Where is the underscore key on the keyboard?
What is the meaning of equalequality?
Equality (as well as inequality) is a basis for solving algebraic equations and inequalities. All of the above equations are true. In cases where the values are not equal, we can use a number of different inequality symbols, such as the not equal to sign.
How do you know if an inequality is true or false?
If you get a true statement in both inequalities, you know the answer is correct. For example, when we solved 2 + x < 5 and -1 < 2 + x we found the solution was -3 < x < 3. 1 is a value between -3 and 3. Let’s plug it into the inequality to check our work.
What is the symbol for inequality in Algebra?
Inequalities: Symbols and Vocabulary. Algebra rules / General Rules: Isolate a positive x on the left side using algebra Reverse the inequality sign when mult/divide by a negative Less than: The symbol that: Looks like an L () for ess than.
How do you solve inequalities with numbers less than 5?
We still need to solve the inequality just like you would an equation. The only difference is that instead of one answer that makes the equation true, like x = 3, there are many answers that make an inequality true, like x < 5. In this case, all numbers less than five would make the inequality true.