Form 3: Vertical Line Test & Identifying Functions from Graphs
Use the vertical line test to determine if a graph represents a function. Practice analyzing different graphed relations to identify valid functions.
Questions
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MultiChoice
Which condition must be met for a graph to represent a function?
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MultiChoice
Does the graph of a circle represent a function of x?
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MultiChoice
Does a straight line with slope m = -2 represent a function?
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MultiChoice
Does a vertical line x = 3 on a coordinate plane represent a function?
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MultiChoice
Does a horizontal line y = 5 represent a function?
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MultiChoice
Does a parabola opening upward represent a function?
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MultiChoice
Does a parabola opening to the right represent a function of x?
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MultiChoice
What is the primary purpose of using the vertical line test on a graph?
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MultiChoice
Which graph FAILS the vertical line test?
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MultiChoice
Can a scatterplot of discrete points represent a function?
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MultiChoice
How many intersection points with a vertical line prove a graph is NOT a function?
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MultiChoice
Which graph PASSES the vertical line test?