Identifying Functions and Calculating Slope

What is the primary characteristic of a function?

• Each input has more than one output.

• Each input has exactly one output.

• Each output has exactly one input.

• Each output has more than one input.

Tags

CCSS.8.F.A.1

How do you determine if a graph represents a function?

• Diagonal line test

• Vertical line test

• Circular line test

• Horizontal line test

In a function, what is the significance of having no repeating X values in a table?

• It indicates a positive slope

• It indicates a negative slope

• It confirms the table represents a function

• It suggests the table does not represent a function

Tags

CCSS.8.F.A.1

What type of slope does a horizontal line represent?

• Positive slope

• Zero slope

• Undefined slope

• Negative slope

Tags

CCSS.8.EE.B.5

What is the slope of a line that goes upwards from left to right?

• Undefined slope

• Negative slope

• Positive slope

• Zero slope

Tags

CCSS.8.EE.B.5

How is the slope calculated between two points on a graph?

• Rise over run

• Run over rise

• Sum of rise and run

• Difference between rise and run

Tags

CCSS.8.EE.B.5

What does a vertical line represent in terms of slope?

• Positive slope

• Negative slope

• Zero slope

• Undefined slope

Tags

CCSS.8.EE.B.5

How do you find the slope from a table of values?

• By using the slope formula

• By drawing a graph

• By estimating the average slope

• By calculating the difference in Y values

Tags

CCSS.8.EE.B.5

What does the cost per coffee represent in the context of slope?

• The run over rise

• The difference in cost between coffees

• The rise over run

• The total cost of all coffees

Tags

CCSS.8.EE.B.5

What does a slope of 5 indicate in the context of a graph showing speed?

• The speed decreases by 5 miles per hour

• The speed is undefined

• The speed increases by 5 miles per hour

• The speed is constant at 5 miles per hour

Tags

CCSS.8.EE.B.5