Linear Models
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the value of the correlation coefficient.
It is close to one.
It is close to negative one.
It is close to zero.
There is no correlation between the quantities.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement below accurately represents the graph?
$100 is earned for each hour worked
$100 is earned for every 2 hours worked
$500 is earned for every 8 hours worked
$200 is earned for every 3 hours worked
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A DJ charges a setup fee plus an hourly fee to provide music for a dance party. Use the graph to write an equation in slope-intercept form to represent the amount spent, y, on x hours of music.
y = 75x + 100
y = 100x
y= 100x + 75
y = 75x
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the slope and y-intercept of:
y = 1/2x - 1
slope: 1/2 y-intercept: -1
slope: 2/1 y-intercept: -1
slope: 3 y-intercept: -3
slope: 2 y-intercept: 5
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?
C = 0.20x + 15
C =15 (0.20x)
C = 15 + x + 0.20
C = 0.20 + 15x
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bob has $150 in his savings account and saves $40 per month. Which function models his savings?
y = 150 + 40
y = 40x + 150
y = 150x + 40
Tags
CCSS.HSF-BF.A.1A
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