Modeling Functions

Modeling Functions

8th Grade

10 Qs

quiz-placeholder

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Modeling Functions

Modeling Functions

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.F.B.4, 8.F.A.2, 8.F.A.3

+3

Standards-aligned

Created by

Barbara White

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An online clothing company sells custom sweatshirts. The company charges $4.99 for shipping plus $6.50 for each sweatshirt. Which Equation describes this situation?

y = $4.99x +$6.50
y = $6.50x - $4.99
y = $6.50x + 4.99
y = $4.99x - $6.50

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A line passes through the origin and has points (5,19) and (6,20) on its line. Write a linear function rule in terms of x and y for this line.

y = x
y = 2x +2
y = x + 20
y = x +1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which linear function has the greater rate of change, the one described by the equation y=0.5x+3 or the one described by the points? (6,2) and (8,5)

The equation has the greater
The points have the greater

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the initial value of the function: y = -4x - 5

4
-5
5
-4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the rate of change of the linear function shown : 1/3x - 3

-3
3
1/3
3/1

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which linear function has initial value of 5? y=5x+4 y=4x+5 y=−4x−5 y=−5x+4

y=5x+4
y=4x+5
y=−4x−5
y=−5x+4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the equation of the linear function through the points (−1,−1) and (2,−10). Then state the rate of change of the function.

-3
-9
-11/3
3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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