Writing Function Rules

Writing Function Rules

Assessment

Flashcard

Mathematics

8th - 9th Grade

Practice Problem

Hard

CCSS
8.F.B.4, 8.F.A.1, 8.EE.B.6

+6

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?

Back

A function is a relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

2.

FLASHCARD QUESTION

Front

Write the function rule for a water tank that starts with 84 gallons and loses 3 gallons per hour.

Back

y = 84 - 3x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

FLASHCARD QUESTION

Front

Rewrite the equation y = 50 - 2x in slope-intercept form.

Back

y = -2x + 50

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

4.

FLASHCARD QUESTION

Front

If a plumber charges a service fee of $40 plus $25 per hour, what is the function rule for the total cost?

Back

y = 40 + 25x

Tags

CCSS.HSF-BF.A.1A

5.

FLASHCARD QUESTION

Front

How much would it cost to hire the plumber for 4 hours?

Back

$140

Tags

CCSS.6.EE.B.7

6.

FLASHCARD QUESTION

Front

What does the slope of a linear function represent?

Back

The slope represents the rate of change of the function.

Tags

CCSS.8.EE.B.5

7.

FLASHCARD QUESTION

Front

What is the y-intercept in the equation y = mx + b?

Back

The y-intercept is the value of y when x = 0.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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