Introduction to Linear Functions — Quiz

Question 1

In order for the data in the table to represent a linear function with a rate of change of plus 5 , what must be the value of a ? x y 3 13 4 a 5 23

Revolt · Accepted Answer

a is equal to 18

Question 2

Which table represents a linear function?

Revolt · Accepted Answer

Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '1'; Column 2, 'negative 3' Row 3: Column 1, '2'; Column 2, 'negative 5' Row 4: Column 1, '3'; Column 2, 'negative 7' Row 5: Column 1, '4'; Column 2, 'negative 9'

Question 3

Which table represents a linear function?

Revolt · Accepted Answer

Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '1'; Column 2, 'negative 5' Row 3: Column 1, '2'; Column 2, '0' Row 4: Column 1, '3'; Column 2, '5' Row 5: Column 1, '4'; Column 2, '10'

Question 4

Which table represents a linear function?

Revolt · Accepted Answer

Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '1'; Column 2, '3' Row 3: Column 1, '2'; Column 2, '7' Row 4: Column 1, '3'; Column 2, '11' Row 5: Column 1, '4'; Column 2, '15'

Question 5

The final cost of a sale item is determined by multiplying the price on the tag by 75 percent Which best describes the function that represents the situation? Item Cost Price on the Tag, x Final Cost 10 dollars 0 point 75 repeating 10 20 dollars 0 point 75 repeating 20 30 dollars 0 point 75 repeating 30 40 dollars 0 point 75 repeating 40

Revolt · Accepted Answer

It is linear because the ratio of the change in the final cost compared to the rate of change in the price tag is constant.

Question 6

Which table represents a linear function?

Revolt · Accepted Answer

Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '1'; Column 2, '3' Row 3: Column 1, '2'; Column 2, '7' Row 4: Column 1, '3'; Column 2, '11' Row 5: Column 1, '4'; Column 2, '15'

Question 7

Which table represents a linear function?

Revolt · Accepted Answer

Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '1'; Column 2, '1 half' Row 3: Column 1, '2'; Column 2, '1' Row 4: Column 1, '3'; Column 2, '1⁢12' Row 5: Column 1, '4'; Column 2, '2'

Question 8

A data set contains an independent and a dependent variable. Which must be true of the data set if a linear function can be used to represent the data?

Revolt · Accepted Answer

The set must have a constant additive rate of change.

Question 9

In order for the data in the table to represent a linear function with a rate of change of negative 8 , what must be the value of a ? x y 10 27 11 a 12 11

Revolt · Accepted Answer

a is equal to 19

Question 10

The final cost of a sale item is determined by multiplying the price on the tag by 75 percent Which best describes the function that represents the situation? Item Cost Price on the Tag, x Final Cost 10 dollars 0 point 75 repeating 10 20 dollars 0 point 75 repeating 20 30 dollars 0 point 75 repeating 30 40 dollars 0 point 75 repeating 40

Revolt · Accepted Answer

It is linear because the ratio of the change in the final cost compared to the rate of change in the price tag is constant.

Introduction to Linear Functions — Quiz Answers

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