AnswersGA-8th Grade MathematicsUnit Test

Unit Test Answers

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Determine which of the following relations is a function.

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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Question text not available

Question illustration
A
function
B
not a function
C
not enough information
3

Question text not available

Question illustration
A
function
B
not a function
C
not enough information
4

Which of the following is not a function?

A
Option
Option A
B
Option
Option B
C
y = 3x² – 6x + 4
D
{(3, 4), (6, 5),(7, 9), (9, 15)}
5

Question text not available

Question illustration
A
function
B
not a function
C
not enough information
6

Is Axel’s statement correct?

A
Yes, because the vertical line shows that an input has exactly one output.
B
Yes, because only one vertical line can be drawn for the test.
C
No, because the relation does not pass the vertical line test for every possible input.
D
No, because he drew a horizontal line rather than a vertical line.
7

Choose the situation that represents a function.

A
The number of raisins in an oatmeal raisin cookie is a function of the diameter of the cookie.
B
The inches of rainfall is a function of the day’s average temperature.
C
The time it takes to cook a turkey is a function of the turkey’s weight.
D
The number of sit-ups a student can do in a minute is a function of the student’s age.

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Unit Test Answers — GA-8th Grade Mathematics