Write Equations From Real World Situations

Flashcard
•
Mathematics
•
6th - 7th Grade
•
Hard
+7
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear equation in the context of real-world situations?
Back
A linear equation is an equation that models a relationship between two variables in a straight-line format, often representing costs, distances, or other quantities that change at a constant rate.
Tags
CCSS.8.EE.C.8C
2.
FLASHCARD QUESTION
Front
How do you represent a total cost that includes a fixed fee and a variable cost?
Back
The total cost can be represented as T = fixed fee + (variable cost per unit * number of units).
3.
FLASHCARD QUESTION
Front
What does the variable 'y' typically represent in cost equations?
Back
In cost equations, 'y' often represents the number of variable units, such as classes attended, children at a party, or deliveries made.
Tags
CCSS.HSF.LE.B.5
4.
FLASHCARD QUESTION
Front
How can you derive a function rule from a real-world scenario?
Back
To derive a function rule, identify the fixed costs and the variable costs, then express the total cost as a function of the variable quantity.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
5.
FLASHCARD QUESTION
Front
What is the significance of the slope in a cost equation?
Back
The slope represents the variable cost per unit, indicating how much the total cost increases with each additional unit.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
How do you solve for a variable in an equation representing a real-world situation?
Back
To solve for a variable, isolate it on one side of the equation using algebraic operations such as addition, subtraction, multiplication, or division.
Tags
CCSS.7.EE.B.4A
7.
FLASHCARD QUESTION
Front
What does the equation T = 80 + 9y represent in a real-world context?
Back
This equation represents the total cost T for Bonnie, where she pays a fixed monthly fee of $80 and an additional $9 for each yoga class attended.
Tags
CCSS.HSF.LE.B.5
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