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Independent and Dependent Variable Math Function

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Independent and Dependent Variable Math Function
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Given this table of the function f(x), what is the dependent variable?

Number of weeks

Pounds of soil

Tags

CCSS.6.EE.C.9

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Given this table of the function f(x), find x when f(x)=15 and explain what it means in context.

f(1) = 15 means the farmer increases his soli by 15%

f(15) = 1 means after 15 weeks the farmer has 1 pound of soil.

f(1) = 15 means after 1 week the farmer has 16 pounds of soil.

f(1) = 15 means after 1 week the farmer has 15 pounds of soil.

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Translate the following statement into an ordered pair: f(2) = -3

(-3, 2)

(2, -3)

(f(2), -3)

(-3, f(2))

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The math club goes to an amusement park. Student tickets cost $10 each. The bus costs $28. This is expressed as f(x) = 10x + 28. Find f(10) and explain what it means.

f(10) = 100; It costs $4100 for 10 students to go on the trip.

f(10) = 128; It costs $128 for 10 students can go on the trip.

f(128) = 10; It costs $10 for 128 students to go on the trip.

f(10) = 128; It costs $10 for 128 students can go on the trip.

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does f(1990)=214 mean in the context of the problem?

In 1990 there were 214 million people with health insurance

In 214, there were 1990 people with health insurance

When there are 1990 people, the year is 214

None of these

Tags

CCSS.HSF.IF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine which is the INDEPENDENT variable: the number of minutes running or the amount of calories burned

Number of minutes running

number of calories

They are both

neither one is

Tags

CCSS.6.EE.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine which is the DEPENDENT variable: the grade made on your math test or the number of minutes you spent studying

Grade on math test

number of minutes

Both are

Neither are

Tags

CCSS.6.EE.C.9

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