Four Representations of a Linear Function

What is the equation of the graph?

• x=5

• y=5

• y=5x+5

• y=5+x

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the y-intercept?

• 100

• 200

• 50

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the slope?

• 100

• 200

• 50

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the equation of the line?

Which of the following graphs represents a linear relationship between x and y?

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Which equation represents a linear function?

Which of the following tables represents a linear relationship between x and y?

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Which represents a linear function?

Which graph represents a linear function?

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Which coordinate plane has plotted points that could represent the graph of a linear function?

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