Understanding Relations and Coordinate Systems

What is the point called where the x-axis and y-axis intersect?

• Vertex

• Center

• Intersection

• Origin

In an ordered pair (x, y), what does the x-coordinate represent?

• Vertical position

• Horizontal position

• Diagonal position

• None of the above

Which of the following is NOT a way to represent a relation?

• Graph

• Table

• List

• Equation

What is the domain in a set of ordered pairs?

• The set of negative values

• The set of x-values

• The set of y-values

• The set of all values

In a relation, what is the range?

• The set of all values

• The set of y-values

• The set of positive values

• The set of x-values

What is the independent variable in a scenario where electricity usage depends on temperature?

• Temperature

• Time of day

• Electricity usage

• Weather

In the context of walking, what is the dependent variable if calories burned depend on minutes walked?

• Speed

• Distance covered

• Calories burned

• Minutes walked

What does the dependent variable usually represent on a graph?

• None of the above

• X-axis

• Y-axis

• Z-axis

What term describes the up and down movement of temperature throughout the day?

• Stability

• Fluctuation

• Increase

• Decrease

What happens to the temperature at the end of the day in the graph analysis example?

• It drops

• It remains constant

• It fluctuates

• It increases