Connecting Representations to Functions
Authored by Barbara White
Mathematics
8th Grade
CCSS covered
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6 questions
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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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