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Functions Representations

Authored by Barbara White

Mathematics

8th Grade

6 Questions

CCSS covered

Functions Representations
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write a function rule for the statement:


The output is four times the input.

y = 4 + x

x = 4 + y

y = 4x

x = 4y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write a function rule for the statement:


The output is eight less than the input.

y = x - 8

x = y - 8

y = 8 - x

x = 8 - y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Tags

CCSS.6.EE.C.9

4.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Tags

CCSS.6.EE.C.9

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

You set up a hot chocolate stand at a football game. The cost of your supplies is $75. You charge $0.50 for each cup of hot chocolate.


Write a function that represents the profit P for selling c cups of hot chocolate.

P = 50c

P = 0.50c

P = 75 - 0.50c

P = 75 + 0.05c

Tags

CCSS.HSF-BF.A.1A

6.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

P = 75 - 0.50c


You will break even (profit = 0) when the cost of your supplies equals your income. How many cups of hot chocolate must you sell to break even?

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