To solve word problems, carefully consider the problem to establish what you are looking for and give it a label, identify the essential information
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Transcript: USEFUL GUIDELINES TO FOLLOW. FIRST, WE CONSIDER THE PROBLEM CAREFULLY. MORE THAN ONCE IF NECESSARY. WE ESTABLISH WHAT WE'RE LOOKING FOR AND GIVE IT A LABEL
Guidelines for solving a word problem include evaluating and labeling the information given using your experience and common sense, translating that
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Transcript: GUIDELINES. FIRST, EXAMINE THE SITUATION CAREFULLY. PERHAPS MORE THAN ONCE. THEN, IDENTIFY WHAT YOU NEED TO FIND AND GIVE IT A LABEL. NEXT, LOOK FOR THE
Practice evaluating and solving a word problem.
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How to graph points on the coordinate plane.
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Transcript: 'S A COMPLETELY DIFFERENT POINT. BY THE WAY, WE CAN LABEL POINTS WITH ORDERED PAIRS OR WITH CAPITAL LETTERS. OR WE CAN JUST LET THE POINT STANDALONE. LET
The slope formula enables you to use two ordered pairs to find slope. Sub notation is used for clarity.
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Transcript: FOR A FORMULA THAT LETS US USE TWO ORDERED PAIRS TO FIND SLOPE. WE USE SPECIAL NOTATION TO WRITE THE FORMULA. WE LABEL POINTS AND COORDINATES WITH SMALL
Review of guidelines for solving word problems.
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Transcript: UNKNOWN AND LABEL IT. FIND THE ESSENTIAL INFORMATION. BUILD AN EQUATION. THEN SOLVE THE EQUATION AND CHECK THE ANSWER. THE GUIDELINES DON'T TELL US HOW TO
A store manager needs to calculate how many bills of each denomination she can get with $100 in order to begin the day with enough change in her cash register, knowing she needs only one $20 bill. The solution is presented step-by-step.
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Complicated word problems are best handled by breaking them into simpler parts, as demonstrated in a rate and time problem. Two different approaches, both using a table to help organize the data, lead to the correct conclusion.
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Transcript: UNKNOWN. THE QUESTION THE PROBLEM ASKS USUALLY POINTS TO THE UNKNOWN. IN THIS PROBLEM, THE UNKNOWN IS THE TIME IT TOOK BILL TO MAKE 780 COPIES. WE'LL LABEL
Writing an equation to solve a word problem, then solving the equation and checking the answer.
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Transcript: 'S QUESTION? USING THE GUIDELINES, PROCEDURE AS BEFORE. READ THE PROBLEM CAREFULLY. PERHAPS MORE THAN ONCE. IDENTIFY WHAT YOU'RE LOOKING FOR. GIVE IT A LABEL
Using the coordinates of two points on a line to write an equation involving the Celsius and Fahrenheit temperature scales.
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Transcript: THE X-COORDINATES. WE CAN LABEL THE POINTS P SUB 1 AND P SUB 2. SUBSTITUTE THE COORDINATES IN THE SLOPE FORMULA. 50 MINUS 41 OVER 10 MINUS 5. SUBTRACT