What is an inequality word problem?
key thing in solving inequality word problem :- at least – means greater than or equal to. no more than – means less than or equal to. more than – means greater than. less than – means less than.
What is a real life example of an inequality?
Think about the following situations: speed limits on the highway, minimum payments on credit card bills, number of text messages you can send each month from your cell phone, and the amount of time it will take to get from home to school. All of these can be represented as mathematical inequalities.
How do you describe inequalities in words?
First, let’s define some important terminology. An inequality is a mathematical statement that compares two expressions using the ideas of greater than or less than….Inequality Signs.
| Symbol | Words | Example |
|---|---|---|
| < | less than | 2<11 , 2 is less than 11 |
| ≥ | greater than or equal to | 4≥4 4 ≥ 4 , 4 is greater than or equal to 4 |
How do you write an inequality problem?
To write an inequality, use a bar model to write and solve equations, solve an equation using the inverse operation, convert a real world situation to the problem, write an inequality from a word problem, solve inequalities with inverse operations, represent an inequality solution set on a number line.
How do you solve and graph inequalities from a word problem?
Steps for Solving a System of Inequalities Word Problem. Read the problem and highlight important information. Identify the variables. Find one piece of information in the problem that you can use to write an inequality. Find a different piece of information that you can use to write a second inequality. Graph both inequalities on a grid.
How to solve inequalities?
Add (or subtract) a number from both sides
What are the rules of inequality?
There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.