Graphing and Interpreting Linear Costs: A 7th Grade Quiz
Authored by Anthony Clark
English, Mathematics
7th Grade
CCSS covered
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car rental company charges a flat fee of $20 plus $0.15 per mile driven. Write a linear equation to represent the total cost (C) in terms of miles driven (m). Graph this equation and interpret the slope in context.
C = 20 + 0.15m
C = 20 + 0.10m
C = 0.15m
C = 20 - 0.15m
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A gym charges a monthly membership fee of $30 plus $10 for each class attended. Write the equation for the total cost (C) based on the number of classes (c) attended. Graph the equation and discuss the significance of the constant term.
C = 10 + 30c
C = 30c + 10
C = 30 + 5c
C = 30 + 10c
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A phone plan costs $25 per month plus $0.10 for each text message sent. Formulate a linear equation for the total cost (C) based on the number of text messages (t). Graph the equation and interpret the meaning of the slope.
C = 25 + 0.05t
C = 25t + 0.10
C = 0.10 + 25t
C = 25 + 0.10t
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A landscaping service charges a flat rate of $50 for a visit plus $15 for each hour of work. Write the equation for the total cost (C) based on hours worked (h). Graph the equation and explain the significance of the y-intercept in this context.
C = 50 + 15h; y-intercept is 50.
C = 15h; y-intercept is 15.
C = 50h + 15; y-intercept is 0.
C = 50 + 10h; y-intercept is 50.
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A concert ticket costs $50 and there is a service fee of $10. Write a linear equation for the total cost (C) based on the number of tickets (n) purchased. Graph the equation and interpret the solution in the context of purchasing multiple tickets.
C = 50n + 10
C = 50 + 10n
C = 50n - 10
C = 10n + 50
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A delivery service charges a base fee of $5 plus $2 for each item delivered. Create a linear equation for the total cost (C) based on the number of items (i). Graph the equation and discuss what the slope indicates about the cost per item.
C = 2i
C = 5 + 2i
C = 5 + i
C = 5i + 2
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A school is selling tickets for a fundraiser at $8 each, with a flat fee of $20 for the event. Write the equation for total revenue (R) based on the number of tickets sold (t). Graph the equation and interpret the meaning of the y-intercept.
R = 8t - 20
R = 5t + 20
R = 8t + 20
R = 10t + 20
Tags
CCSS.8.EE.B.5
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