Writing Equations from Word Problems

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the equation for a situation where a service charges a flat fee plus a variable rate per hour?
Back
y = mx + b, where m is the rate per hour and b is the flat fee.
2.
FLASHCARD QUESTION
Front
How do you represent the total cost of buying x items at a fixed price plus a one-time fee?
Back
Total Cost = (Price per item * x) + One-time fee.
3.
FLASHCARD QUESTION
Front
What does the variable 'x' typically represent in word problems involving cost?
Back
The variable 'x' usually represents the quantity of items or people.
4.
FLASHCARD QUESTION
Front
In the equation y = mx + b, what do 'm' and 'b' represent?
Back
'm' is the slope (rate of change), and 'b' is the y-intercept (fixed cost or starting value).
5.
FLASHCARD QUESTION
Front
How can you set up an equation for a total cost that includes a delivery fee?
Back
Total Cost = Delivery Fee + (Cost per item * Number of items).
6.
FLASHCARD QUESTION
Front
What is the first step in translating a word problem into an equation?
Back
Identify the quantities involved and what you need to find.
7.
FLASHCARD QUESTION
Front
If a problem states that one quantity is a certain amount more than another, how can you express this mathematically?
Back
If x is the smaller quantity, then the larger quantity can be expressed as x + amount.
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