Graphing Techniques and Proportional Relationships

Miss Thompson explains how to solve proportions using graphing. She presents a problem involving standard photograph print sizes and demonstrates how to plot these sizes on a graph. By analyzing the plotted points, she determines whether a proportional relationship exists. The conclusion is that the relationship is not proportional because the line does not pass through the origin, despite being straight.

What is the main topic of the video presented by Miss Thompson?

• Understanding proportions using graphing

• Solving equations using algebra

• Exploring geometric shapes

• Learning about different photograph sizes

Which print sizes are mentioned in the problem statement?

• 3x5, 6x8, 9x12

• 5x5, 7x7, 10x10

• 2x3, 4x5, 6x7

• 4x6, 5x7, 8x10

What is the first step in setting up the graph according to Miss Thompson?

• Deciding which numbers go on the x-axis and y-axis

• Labeling the graph

• Choosing the scale for the axes

• Drawing the graph paper

Which axis does Miss Thompson decide to place the first numbers of the print sizes?

• y-axis

• z-axis

• w-axis

• x-axis

How does Miss Thompson label the axes on the graph?

• By threes

• By tens

• By fives

• By ones

What is the first point plotted on the graph?

• (5, 7)

• (8, 10)

• (4, 6)

• (6, 8)

What is the purpose of labeling the axes on the graph?

• To make the graph look neat

• To add more numbers

• To identify the variables being plotted

• To make the graph colorful

What is one of the criteria for a relationship to be proportional?

• The line must be curved

• The line must be colored

• The line must be straight

• The line must be dotted

What does Miss Thompson use to determine if the line is straight?

• A calculator

• A compass

• A protractor

• A ruler

What does Miss Thompson do after plotting the points on the graph?

• She erases the graph

• She checks if the line is straight

• She colors the graph

• She adds more points