Interpreting Linear Functions Review
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jenny went to the sale at Kohl's last weekend.
T-shirts were on sale for $15 each and hoodies were on sale for $20 each. If she spent $150 total, write an equation to represent this situation.
20x + 15 = y
35x = y
15x + 20y = 150
150 - 20x = 15y
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this table a function? Explain.
Yes, because none of the inputs repeat.
Yes, because the inputs repeat but have the same output
No because the inputs repeat
No because the inputs repeat and have different outputs
Tags
CCSS.8.F.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation shows the number of bottles left after x days?
A family buys a case of water with 48 bottles and drinks 5 bottles per day.
y = 48x + 5
y = -5 + 48x
y = -5x - 48
y = 48 - 5x
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The population of the town is given by the function y = 60,000 - 500x, where y is the number of inhabitants and x is the time in years. What is the population of the town after 9 years?
55,500
55,000
54,500
D:54,000
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The profit of a company is given by the function y = 100,000 - 2,000x, where y is the profit in dollars and x is the time in months. What is the profit of a company after 5 months?
$98,000
$90,000
$89,000
$80,000
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The amusement park charges $20 to get in plus $1.50 per ride. Which linear equation below represents this relationship.
y=1.5+20x
y=1.5x + 20
y = 20x + 1.5
y= 21.5x
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a system of equations has no solution, what does the graph look like?
intersecting lines
parallel lines
skew lines
intersecting lines
Tags
CCSS.8.EE.C.8A
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