Construct a Function to Model Linear Relationship
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an equation for the cleaning cost, y, for the number of hours, x. Put in y = mx + b form.
y = 12x + 20
y = 20x + 8
y = 8x
y = 8x + 20
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an equation for the line that represents Penelope's distance, y, from soccer practice after x minutes. Use y = mx + b.
y = -110x + 2480
y = 110x + 2000
y = -110x +2040
y = 5x +1930
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the cleaning cost per hour (slope)? (hrs are the x values)
8
20
12
28
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows a linear relationship between the distance Penelope is from the park as she walks to soccer practice. Find the rate of change. Hint: her distance is getting closer.
110 meters per minute
550 meters per minute
-110 meters per minute
550 meters per minute
Tags
CCSS.HSF-LE.A.1B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A new discount cell phone service charges $55 a month plus $15.00 for every line on the plan. Choose the linear function that represents the relationship between the number of lines (x) and the cost of the plan (y).
y = 70x
x = 70y
y = 55 + 15x
x = 55 + 15y
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Printer ink costs $16.89 per cartridge. The company that sells the ink cartridges charges a flat rate shipping fee of $4.25, no matter the number of cartridges purchased in a single order. Which linear function models the total cost, t, for a single order of c cartridges?
c = 21.14t
c = 16.89t + 4.25
t = 21.14c
t = 16.89c +4.25
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate shipping fee of $7.95, no matter the number of cartridges purchased in a single order. Which linear function models the total cost, t, for a single order of c cartridges?
c = 26.94t
c = 18.99t + 7.95
t = 26.94c
t = 18.99c + 7.95
Tags
CCSS.HSF-BF.A.1A
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