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Linear Equations in the Real World

Authored by Liz Pandrea

Mathematics

8th Grade

CCSS covered

Used 56+ times

Linear Equations in the Real World
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Billy's car needed repairs. The mechanic charged him $140 for the parts and an additional $48 an hour for labor. How many hours of labor did the mechanic work on the car if her total bill was $260?

3 hours
12 hours
2.5 hours
5 hours

Tags

CCSS.7.EE.B.4A

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which equation shows the number of bottles left after x days?
A family buys a case of water with 48 bottles and drinks 5 bottles per day.

y = 48x + 5
y = -5 + 48x
y = -5x - 48
y = 48 - 5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the equation for the line that passes through the points (4,2) and (0,6)?

y = x + 6
y = -2x + 2
y = -x - 6
y = -x + 6

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Given the table, write the equation in the slope-intercept form.

y = 1/3x + 6
y = 3x + 6
y = 2x + 6
y = 1/2x + 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Paul the plumber charges $25 for a service call.  He then charges $100 an hour.  Write a linear equation to model this situation.

y = 100x
y = 25x
y = 25x + 100
y = 100x + 25

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Based on the table, write the equation in slope intercept form.

y= 5x+5

y=1/5x+5

y=15x+5

y=10x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Which of the following equations may be used to represent the table shown?

y = -x + 13

y = -1.5x + 11.5

y = -11x + 28

y = -1.5x + 14.5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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