Linear Equations and Functions
Authored by Barbara White
Mathematics
8th Grade
CCSS covered
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18 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Mimi was given two pieces of information and must write the equation of a line. She knows the line crosses the y-axis at the point (0,-4) and has a slope of 8. What is the equation of the line?
y = -4x + 8
y = 4x – 8
y = -8x – 4
y = 8x – 4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which graph accurately displays the linear function modeled in the table?
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which coordinate plane contains plotted points that could represent the graph of a linear function?
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which relationship does NOT represent a linear function?
the total cost of a large pizza based on $9.95 plus $0.75 for each additional topping
the ant population for a colony that begins with 5 ants and doubles in number every two weeks"
the amount of gasoline in a vehicle that begins with 22 gallons and decreases by one gallon every 28 miles
A history student’s grade on a test that begins at 100 but decreases by 4 points for each question answered incorrectly
Tags
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which equation corresponds to the values in the table below?
y = -3/2x + 2
y = 3/2x – 3
y = 3/2x + 2
y = -3/2x - 3
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which relationship about earnings does NOT represent a linear function?
a)a doctor’s earnings based on a monthly salary
an administrative assistant’s earnings based on an hourly wage
a car salesmen’s earnings based on percent of weekly sales
a university professor’s earnings based on an annual salary
Tags
CCSS.8.F.A.3
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What value should replace the question mark in the table if the table represents a linear function?
15
11
-11
13
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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