Interpreting Functions in Unit 3

Interpreting Functions in Unit 3

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Practice Problem

Hard

CCSS
HSF.LE.B.5, 8.F.B.4, 8.F.A.1

+4

Standards-aligned

Created by

Jackson Turner

FREE Resource

Standards-aligned

CCSS.HSF.LE.B.5
,
CCSS.8.F.B.4
,
CCSS.8.F.A.1
CCSS.HSF-BF.A.1A
,
CCSS.HSF.BF.A.2
,
CCSS.HSF.IF.A.1
,
CCSS.HSF.LE.A.2
,

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an independent variable represent in a function?

A variable that can only be used in mathematical functions

A value that depends on another variable

A variable that is always constant

A value that stands alone and is not affected by other variables

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the bagel example, what does 'x' represent?

The number of bagels purchased

The price per bagel

The total cost of the bagels

The type of bagels purchased

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the function for the total cost of bagels expressed?

n(x) = x / 150

n(x) = 150 * x

n(x) = 150 / x

n(x) = 150 + x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total cost when 12 bagels are purchased?

$18

$180

$150

$12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the coffee club example, what does the fixed cost of $15 represent?

The discount on each cup

The cost per cup of coffee

The total cost for coffee per month

The monthly membership fee

Tags

CCSS.HSF.LE.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the monthly cost function for the coffee club expressed?

b(x) = (15 + 2) / x

b(x) = 2x - 15

b(x) = 15x + 2

b(x) = 15 + 2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total cost when 6 cups of coffee are purchased?

$22

$17

$27

$12

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