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Interpreting Linear Relationships

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Interpreting Linear Relationships
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

y = 3x + 20

y = 3 + 20x

y = -3x + 20

y = -20x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 1 pt

Which of the following points is a y-intercept?
(-2,3) (4, -2) (0, 5) (-9,0)

(-9,0)

(-2,3)

(4,-2)

(0,5)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is another meaning of y-intercept?

location

initial value

total

constant rate

Tags

CCSS.HSF-IF.C.7A

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the meaning of the y-intercept?

The weight in the bucket increases by 1 pound per pound of sand.

Before sand is put in the bucket, it weighs 1 pound.

The starting weight of the sand is 1 pound.

The weight in the bucket decreases by 1 pound per pound of sand.

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

12 chapters

15 chapters

18 chapters

21 chapters

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