AFDA 2.1 Content - Analyzing Graphs of Linear Functions

Which mantis do you most relate to at this moment?

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What is a function?

A function is a relation where...

• ... each input (x) will produce one output (y).

• ... each input (x) will produce more than one output (y).

• ... each input (x) will produce no outputs (y).

• ... each output (y) will produce one input (x)

Linear Functions are functions whose graph is a _______ _____.

• U-shaped curve

• V-shaped curve

• straight line

• wavy line

Which of the following is a linear function?

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 $y=mx+b$  
What does the m stand for?

• y-intercept

• x-intercept

• solution

• slope

What is the x-intercept?

• (5, 0)

• (-5, 0)

• (0, 5)

• (0, -5)

What is the y-intercept?

• (5, 0)

• (-5, 0)

• (0, 5)

• (0, -5)

If the x-intercept is (-7,0), then what is the "zero" of the function?

• x = -7

• x = 0

• Both of these

• None of these

Which of the following graphs has a POSITIVE SLOPE?

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Which of the following graphs has a NEGATIVE SLOPE?

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