Writing Equations From Word Problems

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the general form of a linear equation used to represent a word problem involving costs?
Back
The general form is: Total Cost = Fixed Cost + (Variable Cost per Unit * Number of Units).
2.
FLASHCARD QUESTION
Front
How do you set up an equation to compare costs from two different rental agencies?
Back
You set up an equation by equating the total costs of both agencies, which includes fixed daily charges and variable mileage charges.
Tags
CCSS.HSA.CED.A.3
3.
FLASHCARD QUESTION
Front
What does the variable 'x' typically represent in a word problem involving costs?
Back
The variable 'x' usually represents the number of units, such as miles driven or hours worked.
Tags
CCSS.HSF.LE.B.5
4.
FLASHCARD QUESTION
Front
In the equation 7w + 5 = 3w - 15, what does 'w' represent?
Back
In this equation, 'w' represents a variable quantity that needs to be solved for.
5.
FLASHCARD QUESTION
Front
What is the first step in solving a linear equation?
Back
The first step is to isolate the variable on one side of the equation.
Tags
CCSS.7.EE.B.4A
6.
FLASHCARD QUESTION
Front
How do you interpret the solution of an equation in a word problem context?
Back
The solution represents the value of the variable that satisfies the conditions of the problem.
Tags
CCSS.7.EE.B.4A
7.
FLASHCARD QUESTION
Front
What is the significance of the fixed cost in a word problem involving rental services?
Back
The fixed cost is the amount charged regardless of usage, which is essential for calculating total costs.
Tags
CCSS.HSF.LE.B.5
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