Lesson 25 Eureka

• How can we use tables, graphs, and equations to represent relationships between quantities and to solve real-world problems?

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Lesson 25
page 355

Multiple Choice

What is the rate at which Toby is walking towards his friend's home?

• 20 meters per minute

• 25 meters per minute

• 30 meters per minute

• 35 meters per minute

Multiple Choice

How far will Toby be from his home after 3 minutes of walking?

• 150 meters

• 175 meters

• 200 meters

• 225 meters

Multiple Choice

Identify the independent variable in the scenario where Toby walks from his home to his friend's home.

• Toby's speed

• Time in minutes

• Distance from home in meters

• Toby's friend's location

Multiple Choice

What is the dependent variable in the scenario described?

• Time in minutes

• Toby's walking speed

• Distance from home in meters

• Number of steps Toby takes

Multiple Choice

What does the variable 'y' represent in the equation y = 100 + 25x?

• The time Toby walks in minutes

• The distance Toby is from his home in meters

• The speed of Toby's walk in meters per minute

• The number of steps Toby takes

Draw

Add to the picture

Multiple Choice

What is the scale used for the y-axis in the graph?

• 1 unit = 25 meters

• 1 unit = 50 meters

• 1 unit = 75 meters

• 1 unit = 100 meters

Multiple Choice

What is the scale used for the x-axis in the graph?

• 1 unit = 1 minute

• 1 unit = 2 minutes

• 1 unit = 5 minutes

• 1 unit = 10 minutes

Multiple Choice

What is the relationship shown in the graph where the x-axis represents the number of hours and the y-axis represents money earned (in dollars)?

• The more hours worked, the less money earned.

• The relationship between hours worked and money earned is not clear.

• The more hours worked, the more money earned.

• There is no relationship between hours worked and money earned.

Multiple Choice

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.

t = the number of treats

s = the number of students

Which of the variables is INDEPENDENT?

• s

• t

Poll

How well do you feel you understand variables?

• I've got this!