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Function vs. Not a Function, Linear vs. Nonlinear

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Function vs. Not a Function, Linear vs. Nonlinear
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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A. Linear; function

B. Non-linear; function

C. Non-linear; not a function

D. Linear; not a function

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Several functions represent different savings account plans. Which function is non-linear?

A. y = 5.50x + 7

B. y = 5.50(1.50)3

C. y =0.5(x)2

D. y = 7.25x

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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a. y = -1x + 8

b. y = 3x +5

c. y = -3x + 5

d. y = 3/2x - 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Use the table below to determine whether or not the sum of the measures of the angles in a polygon is a linear function of the number of sides.

A. Linear, because the table has a constant rate of change.

B. Non-linear, because the table doesn't have a constant rate of change

C. Linear, because the table does not have a constant rate of change.

D. Non-linear, because the table does have a constant rate of change.

Tags

CCSS.8.F.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation represents a linear function?

Hint: Focus on the variable & the exponent

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Tags

CCSS.8.F.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which table of values represents a LINEAR function?

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Tags

CCSS.8.F.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To join a health club, a person must pay a $75 one-time fee plus a charge of $30 per month. This situation can be presented by an equation of the form y = mx + b, where x = the time in months and y = the total cost in dollars. What is the value of b in this equation?

A. 30

B. 45

C. 75

D. 105

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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