Linear Equation Interpret

Quiz
•
Mathematics
•
8th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.
y = 8x + 50
C = 50m +8
y = 50x + 8
C = 8m + 50
Tags
CCSS.6.EE.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following situations could be descried by the equation y= -25x + 120
There are 120 people in the football stadium, and 25 more are entering each hour.
A plumber charges $25 for a house call and $120 per hour.
A teacher has 120 students. Her third period has 25 students
There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bob has $150 in his savings account and saves $40 per month.
y=150 + 40
y=40x + 150
y=150x + 40
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A cell phone company charges $60.00 a month for up to 1 gigabyte of data. The cost of additional data is $0.05 per megabyte. If d represents the number of additional megabytes used and c represents the total charges at the end of the month, which linear equation can be used to determine a user's monthly bill?
c = 60 − 0.05d
c = 60.05d
c = 60d − 0.05
c = 60 + 0.05d
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write an equation, C, to represent how much money Alex collected from selling tickets.
C= $6.50x + $4.00(12)
C= $6.50(12) +$4.00x
C=$6.50x+$4.00x +12
C=$10.50x+12
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Peyton is signing up for a gym membership with a one-time fee to join and then a monthly fee to remain a member. The total cost of the gym membership, C, over t months whose graph is shown below. Write an equation for C in terms of t. (hint: use y=mx+b)
C=40t+150
C=-40t+150
C=50t+150
C=50t-150
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Anthony's math teacher finds that there's roughly a linear relationship between the amount of time students spend on their homework and their weekly quiz scores. This relationship can be represented by the equation y=57+6.3x, where y represents the expected quiz score and x represents hours spent on homework that week. What is the meaning of the x-value when y=99?
A student's expected quiz score if they spend 1 hour on their homework
A student's expected quiz score if they spend 99 hours on their homework
How many hours a student spends studying all year
The number of hours a student should spend on their homework to expect a score of 99 on the quiz
Tags
CCSS.HSF.LE.B.5
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