Using Functions to Model Relationships
Authored by Diane Boyce
Mathematics
7th - 9th Grade
CCSS covered
Used 39+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Valerie's Gym is running a special for new members. The fee for joining the gym is $30. Members then pay $20 per month to use the gym. Identify the initial value and the rate of change of the function.
Initial Value is $20. The rate of change is $30.
Initial Value is $30. The rate of change is $20.
The rate of change and initial value are $30.
The rate of change and initial value are $20.
Tags
CCSS.HSF.LE.B.5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Valerie's Gym is running a special for new members. The fee for joining the gym is $30. Members then pay $20 per month to use the gym. Write an equation in slope-intercept form to represent this situation.
y = mx + b
y = 30x + 20
y = 20x + 30
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A mechanic charges a fee of $40 to diagnose a problem, and $70 per hour for labor to fix it. Write an equation in slope intercept form to represent this situation.
y = mx + b
y = 70x + 40
y = 40x + 70
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A mechanic charges a fee of $40 to diagnose a problem, and $70 per hour for labor to fix it. Identify the initial value and the rate of change.
Initial value is $40; The rate of change is $70.
The initial value is $70 and the rate of change is $40.
The rate of change is the same as the initial value $40.
The rate of change is the same as the initial value $70.
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mr. Elia picks pears at Ms. Boyle's orchard on Saturdays during the pear harvest. Ms. Boyle pays him a daily wage, plus an additional amount for each bushel of pears he picks. The table show his daily earnings, y, if he picks x bushels of pears. What is the rate of change?
10
5
8
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mr. Elia picks pears at Ms. Boyle's orchard on Saturdays during the pear harvest. Ms. Boyle pays him a daily wage, plus an additional amount for each bushel of pears he picks. The table show his daily earnings, y, if he picks x bushels of pears. What is the initial value?
25
26
29
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mr. Elia picks pears at Ms. Boyle's orchard on Saturdays during the pear harvest. Ms. Boyle pays him a daily wage, plus an additional amount for each bushel of pears he picks. The table show his daily earnings, y, if he picks x bushels of pears. Write a linear function that models this situation.
y = mx + b
y = 8x + 29
y = 29x + 8
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
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