7th Grade Challenge: Identify Linear & Exponential Functions

Quiz
•
English, Mathematics
•
7th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. A car rental company charges a flat fee of $30 plus $0.20 per mile driven. Write a table showing the total cost for driving 0, 50, 100, and 150 miles. Is this a linear or exponential function?
0 miles - $30, 50 miles - $45, 100 miles - $70, 150 miles - $90. This is a linear function.
0 miles - $30, 50 miles - $35, 100 miles - $45, 150 miles - $55. This is a quadratic function.
0 miles - $20, 50 miles - $30, 100 miles - $40, 150 miles - $50. This is an exponential function.
The total costs are: 0 miles - $30, 50 miles - $40, 100 miles - $50, 150 miles - $60. This is a linear function.
Tags
CCSS.8.F.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. A bacteria culture doubles in size every hour. If you start with 5 bacteria, create a table showing the number of bacteria after 0, 1, 2, and 3 hours. Is this a linear or exponential function?
Exponential function
Quadratic function
Constant function
Linear function
Tags
CCSS.HSF-LE.A.1A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. A gym membership costs $25 per month. Create a table showing the total cost for 1, 3, 6, and 12 months. Identify if this is linear or exponential.
Total cost for 1 month: $30, 3 months: $90, 6 months: $180, 12 months: $360. This is an exponential relationship.
Total cost for 1 month: $20, 3 months: $60, 6 months: $120, 12 months: $240. This is a linear relationship.
Total cost for 1 month: $25, 3 months: $75, 6 months: $150, 12 months: $300. This is a linear relationship.
Total cost for 1 month: $25, 3 months: $80, 6 months: $150, 12 months: $300. This is a linear relationship.
Tags
CCSS.8.F.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. A tree grows 3 inches every year. If it is currently 5 feet tall, create a table showing its height after 1, 2, 3, and 4 years. Is this a linear or exponential function?
The height of the tree after 1 year is 58 inches, after 2 years is 61 inches, after 3 years is 64 inches, and after 4 years is 67 inches. This is a linear function.
The height of the tree after 1 year is 60 inches, after 2 years is 65 inches, after 3 years is 70 inches, and after 4 years is 75 inches. This is an exponential function.
The height of the tree after 1 year is 63 inches, after 2 years is 66 inches, after 3 years is 69 inches, and after 4 years is 72 inches. This is a linear function.
The height of the tree after 1 year is 70 inches, after 2 years is 75 inches, after 3 years is 80 inches, and after 4 years is 85 inches. This is a quadratic function.
Tags
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. A savings account earns 5% interest compounded annually. If you start with $100, create a table showing the balance after 1, 2, and 3 years. Is this linear or exponential growth?
Balances after 1, 2, and 3 years are 105, 110.25, and 115.76 respectively. This is exponential growth.
Balances after 1, 2, and 3 years are 105, 112.5, and 120 respectively. This is linear growth.
Balances after 1, 2, and 3 years are 105, 110, and 115 respectively. This is linear growth.
Balances after 1, 2, and 3 years are 105, 110.25, and 120.5 respectively. This is exponential growth.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. A phone plan offers unlimited data for $50 a month. Write a table showing the total cost for 1, 2, 3, and 4 months. Is this a linear or exponential function?
The total cost for 1 month is $30, for 2 months is $60, for 3 months is $90, and for 4 months is $120. This is a quadratic function.
The total cost for 1 month is $50, for 2 months is $150, for 3 months is $250, and for 4 months is $350. This is an exponential function.
The total cost for 1 month is $50, for 2 months is $100, for 3 months is $150, and for 4 months is $200. This is a linear function.
The total cost for 1 month is $50, for 2 months is $100, for 3 months is $200, and for 4 months is $300. This is a linear function.
Tags
CCSS.8.F.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. A population of fish in a lake increases by 10% each year. If there are currently 200 fish, create a table showing the population after 1, 2, and 3 years. Is this linear or exponential growth?
Exponential growth
Linear growth
Decreasing growth
Constant growth
Tags
CCSS.HSF-LE.A.1A
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