
Functions, Relations, Dependent Variables, Independent Variables
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The vertical line test helps determine if a relation is a function. Which of the following graphs represents a function?
A straight line passing through all points.
A circle.
A parabola.
A graph with vertical lines.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following real-life scenarios best represents a function?
Assigning a student to a unique student ID number.
Matching a person to their favorite foods.
Mapping cities to their populations over time.
Pairing students to multiple courses they are taking.
Tags
CCSS.8.F.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the independent variable in an experiment?
The variable you change.
The variable that remains constant.
The variable that depends on other factors.
The variable you measure.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A teacher conducts an experiment where students study for different amounts of time and then take a math test. She records their scores. What conclusion can she make about the independent and dependent variables?
The independent variable is the test scores, and the dependent variable is the study time.
The independent variable is the study time, and the dependent variable is the test scores.
Both study time and test scores are independent variables.
The study time has no impact on the test scores, so there are no dependent or independent variables.
Tags
CCSS.6.EE.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a survey examining how age affects spending habits, what should the researcher consider as the independent and dependent variables?
Independent variable: spending habits; Dependent variable: age.
Independent variable: type of purchases; Dependent variable: age.
Independent variable: age; Dependent variable: spending habits.
Independent variable: number of participants; Dependent variable: spending habits.
Tags
CCSS.6.EE.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hunter got his first job working at Publix making $12 per hour. Hunter's schedule allows him to work 10-15 hrs per week. The function P(h) = 12h represent the total amount of money Hunter makes working h hours. What is the independent and dependent variables in this function.
Independent - Hours worked
Dependent - Total money made
Independent - Total money made
Dependent - Hours worked
Independent - $12 per hour
Dependent - Total money made
Independent - Hours worked
Dependent - Total hours worked in a week
Tags
CCSS.6.EE.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The set or ordered pairs below is a function.
Which could be the fifth ordered pair in the function?
(8,3)
(5,7)
(2,1)
(9,6)
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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