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Linear Representation

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Linear Representation
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The table below shows the cost of different numbers of goldfish at a pet store. The cost is a linear function of the number of goldfish. Which statement describes the rate of change of this function?

The cost increases $0.30 each time 1 goldfish is added.

The cost increases $1.50 each time 1 goldfish is added.

The cost increases $3.00 each time 5 goldfish are added.

The cost increases $6.00 each time 5 goldfish are added.

Tags

CCSS.HSF-LE.A.1B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cost to rent a paddleboat at the city park includes an initial fee of $7.00, plus $3.50 per hour. Which equation models the relationship between the total cost, y, and the number of hours, x, that the paddleboat is rented?

y = 3.5x + 7

y = 7x + 3.5

y = x/7 + 3.5

y = x/3.5 + 7

Tags

CCSS.6.EE.C.9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The relationship between temperature in degrees Fahrenheit and degrees Celsius is shown in the graph below. What is the meaning of the y-intercept?

the change in degrees Fahrenheit for every change of one degree Celsius

the change in degrees Celsius for every change of one degree Fahrenheit

the temperature in degrees Fahrenheit when the temperature is zero degrees Celsius

the temperature in degrees Celsius when the temperature is zero degrees Fahrenheit

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is an equation for the line that passes that passes through the points (1,1) and (3,5)?

y = x + 2
y = 1x -2
y = 2x + 1
y = 2x - 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When given two points and asked to write an equation, what is your first step?

Find the slope
Find the y-intercept
Find the x-intercept
Write the equation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write the an equation for the graph shown.

y = -2x + 2
y = 2x + 2
y = 1/2x- 2
y = -1/2x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the function of the table?

y=3x+1
y=4x-2
y=x+1
y=x+7

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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