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Proportional Relationships and Graphs

Proportional Relationships and Graphs

Assessment

Interactive Video

Mathematics

7th - 8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers grade seven mathematics, focusing on using graphs to compare relationships. It begins with matching equations to their corresponding graphs by identifying constants of proportionality. The lesson then analyzes data from a coffee shop menu, distinguishing between cost and calories versus volume graphs, and identifying proportional relationships. Finally, it compares the biking speeds of Lin and Andre using graphs, highlighting the concept of constant speed and proportionality.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant of proportionality for the equation y = 2x?

1

4

2

3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which graph matches the equation y = 4/5x?

Graph 4

Graph 3

Graph 2

Graph 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the constant of proportionality from a graph?

By measuring the length of the line

By counting the number of points on the line

By identifying the y-intercept

By finding the slope of the line

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which graph represents the cost versus volume relationship?

The graph with increments of 50

The graph with no origin

The graph with increments of 1

The graph with a curved line

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What indicates a proportional relationship in a graph?

A line that is horizontal

A line that starts at any point

A line that curves upwards

A line that starts at the origin and is straight

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant of proportionality for the calories versus volume graph?

10

25

15

20

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How far did Lin bike in 5 minutes?

1 km

2.5 km

1.5 km

2 km

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