How To Do Inequality Word Problems
Identify the key words or phrase. Solution Let s number of milligrams of sodium in a serving of low-sodium food.
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Inequalities word problems.
How to do inequality word problems. Create a sidebar by identifying all important information and translating words into algebraic expressions. Check or justify your answer. Dependent and independent variables.
If you get a true statement then the ordered pair is a solution to the inequality. If you know the list of words and the inequality they represent this step will be easier. Move the number term 7 to the right side of the inequality.
If you get a false statement then the ordered pair is not a solution. Follow these simple steps when trying to translate words into an inequalities. W2 8W 16 7 16.
Slide 4 has the inequality that the students should now be able to solve and then graph. To see if an ordered pair is a solution to an inequality plug it into the inequality and simplify. W 42 9.
See how to turn a word problem into an inequality. Word Problem Solving Strategies Read through the entire problem. Circle or underline the keywords.
Highlight the important information and key words that you need to solve the problem. Set up a system of equations. From there we have all of the pieces of the inequality in order and we can easily write the inequality.
Write an inequality that models this situation. This is the currently selected item. In this lesson you will learn to create an inequality given a word problem by using algebraic reasoning.
We begin this lesson with a quick review of our three basic steps for solving any type of word problem. Then solve the inequality by performing the order of operations in reverse. Thats one of the big differences between solving equalities and solving inequalities.
Check that the solution satisfies both original equations. Read the problem carefully noting punctuation and determine the question being asked. Write out the inequality.
Write your answer in a complete sentence. Assign variables to the unknown quantities. Dont forget that if you multiply or divide by a negative number you MUST flip the sign of the inequality.
Write an inequality from a word problem. Write an inequality that models this situation. Complete the square on the left side of the inequality and balance this by adding the same value to the right side of the inequality.
Then s 140 Example 2 The height of a human being is not greater than 10 feet. Substitute the value of x x back into equation 1 1 and solve for y y. How to solve word problems that involve 2-step inequalities.
Our mission is to provide a free world-class education to anyone anywhere. Suppose a low-sodium food has at most 140 mg per serving. Form one Inequality statement and solve.
I pretty much skipped this slide and went straight to slide 6 which does have the color coding. Slide 5 is a new problem without the color coding. Write the equation or inequality.
Take a look at this tutorial and learn how to determine if an ordered pair is a solution to an inequality. Substitute equation 1 1 into 2 2 Rearrange and solve for x x. Youll gain access to interventions extensions task implementation guides and more for this instructional video.
W2 8W 7. How to write an inequality.
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