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Writing and interpreting linear functions

Authored by Wayground Content

Mathematics

8th - 12th Grade

CCSS covered

Writing and interpreting linear functions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A plumber charges $80 for a service call. He then charges $160 per hour.  Write a linear equation to model this situation if x represents the number of hours the plumber works

y=80x+160

y =160-80x

y = 160+80x

y=80+160x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Maggie buys a Chromebook for $200. It decreases in value each month by $20. Write an equation for the total value of the Chromebook.


 20x+200=y20x+200=y  

 20x200=y20x-200=y  

 200+20x=y200+20x=y  

 20020x=y200-20x=y  

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What form is this line in? y = 6 - 3x

Standard Form

Slope intercept form

Point slope form

Slope standard Form

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write an expression to model a person who began at 4ft and grows 1/4 ft per year.

4y + 1/4

4y - 1/4

4 + (1/4)y

4 - (1/4)y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Casey wants to buy a DVD for $14 and some CDs that cost $12 each

12 + 14x

12x + 14

14 - 12

50x + 12

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

You want to rent an SRT to drive it to the beach. The rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours?

y = 8.5 + 25.5
y = 25.5 + 8.5x
y = 8.5 + 25.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Today a waitress at Olive Garden made $4 for every hour she worked plus $125 in tips.

y = 125x + 4

y = 4x + 125

y = 129x

y = 4x + 125x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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