The constant of proportionality of this graph is k = 45. What does it mean?

The boat travels 45 miles for every 1 hour

The boat travels for 45 miles for every 45 hours

The boat travels 1 mile for every 45 hours

The boat travels 1/45 mile for every 1 hour

Which of the following statements is TRUE about the graph? Choose all that apply.

The point (1.5, 6) shows the cost is $6.00 for 1.5pounds of cheese.

The point (0.75, 3) shows that 0.75 pound of cheesecosts $3.00.

The point (0, 0) shows the cost is $0.00 for 0 pounds of cheese

The point (2, 8) shows that 8 pounds of cheese cost$2.00.

The point (0.25, 1) shows the cost is $0.25 for 1pound of cheese.

What makes a graph proportional?

Straight line and the line goes through the origin

The line goes through the origin

Which statement below accurately represents the graph?

$500 is earned for every 8 hours worked

$100 is earned for each hour worked

$200 earned for every 2 hours worked is the unit rate

$300 is earned after working 4 hours

How do you find the constant of proportionality for a graph?

Pick a point on the line and use the formula y/x

Pick a point on the line and use the formula x/y

Does this graph show a proportional relationship?

Yes, because it is straight and goes through the origin

Yes, because it goes through the origin

Does this graph show a proportional relationship?

Yes, because it is a straight line

Yes, because it goes through the origin

Yes, because it is a straight line and goes through the origin

Which proportional relationship has a greater constant of proportionality?

There is not enough information provided

Analyze the point (3, 27). What does the point represent?

The point (3,27) represents $27 for 3 shirts.

The point (3,27) represents 27 shirts for $3.

Constant of proportionality

Authored by Brittany Sewruk

Mathematics

7th Grade

CCSS covered

Used 23+ times

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45 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=kx. What does the k represent?

constant of proportionality

multiplier

scale factor

all of these are correct

Tags

CCSS.7.RP.A.2B

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Is this table proportional or non-proportional?

Proportional

Non-Proportional

Tags

CCSS.7.RP.A.2A

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the equation?

y=x/4

y=4x

y= x + 4

y = x - 4

Tags

CCSS.5.OA.B.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the Constant of Proportionality?

k=46

k=92

k=0.2

not proportional

Tags

CCSS.7.RP.A.2B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Mason ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

400 miles per hour

9 miles per hour

20 miles per hour

6.67 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the constant of proportionality?

Tags

CCSS.7.RP.A.2B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is this table proportional?

Yes

Tags

CCSS.7.RP.A.2A

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Constant of proportionality

y=kx. What does the k represent?

Is this table proportional or non-proportional?

What is the equation?

What is the Constant of Proportionality?

Mason ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

What is the constant of proportionality?

Is this table proportional?

Which of the following ordered pairs is NOT part of the graph above?

The point (0, 0) is called the origin.

Which of the tables above represents a proportional relationship?

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