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Modeling Equation in Slope Intercept Form Word Problem

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Modeling Equation in Slope Intercept Form Word Problem
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 7-inch candle burns at a rate of 2-inches per hour. Which equation represents the relationship between y, the height of the candle in inches, and x, the number of hours the candle burns?

y=2x+7

y=-2x+7

y=2-7x

y=7x+2

Tags

CCSS.HSF-BF.A.1A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

c = 2.75b + 4

c = 2.75b

c =  4b- 2.75

c = 2.75b - 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation for the word problem: 
A tree was planted when it was 10 inches tall. It grows 3 inches per week.

y = 3x

y = 10x + 3

y = 10x

y = 3x + 10

Tags

CCSS.HSF-BF.A.1A

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Dorothy loves to make cakes.  The following table shows how the number of eggs that she has left changes as she makes cakes.
What is the meaning of the y-intercept?

She uses 5 eggs for every 2 cakes.

She started with 47 eggs.

She uses 47 eggs for every 0 cakes.

She started with 5 eggs.

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-intercept form that models this situation.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

y = 8.5 + 25.5

y = 8.5x + 25.5

y = 8.5 + 25.5x

y = 8.5x + 25.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

y = 2x + 6

y = 6x + 2

y = 2x - 6

y = 6x - 2

Tags

CCSS.6.EE.C.9

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