Writing Function Rules Word Problems

Writing Function Rules Word Problems

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.F.B.4, HSF.LE.B.5, HSF-BF.A.1A

+4

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a function rule?

Back

A function rule is a mathematical expression that describes the relationship between two quantities, typically in the form of an equation.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

FLASHCARD QUESTION

Front

How do you represent a total cost that includes a flat fee and a variable cost?

Back

The total cost (C) can be represented as C = flat fee + (variable cost per unit * number of units).

Tags

CCSS.HSF.LE.B.5

3.

FLASHCARD QUESTION

Front

Write a function rule for a phone plan that charges a flat fee of $20 plus $0.10 per minute for calls.

Back

C = 20 + 0.10m

Tags

CCSS.HSF-BF.A.1A

4.

FLASHCARD QUESTION

Front

Write a function rule for renting a bicycle at $10 per hour.

Back

C = 10h

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

FLASHCARD QUESTION

Front

If the initial temperature is 70 degrees Fahrenheit and it increases by 5 degrees every hour, what is the function rule?

Back

T = 70 + 5h

Tags

CCSS.HSF-BF.A.1A

6.

FLASHCARD QUESTION

Front

Write a function rule for a car rental company that charges $50 flat fee plus $20 per day.

Back

C = 50 + 20d

Tags

CCSS.HSF-BF.A.1A

7.

FLASHCARD QUESTION

Front

If the initial temperature is 25 degrees Celsius and it decreases by 2 degrees every hour, what is the function rule?

Back

T = 25 - 2h

Tags

CCSS.HSF-BF.A.1A

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