Vertical Line Test Math Definition Example

Fortunately there is an easier way. The line has to be vertical as illustrated above. The vertical line test is performed by sketching a graph of the equation or by using a calculator to draw it for you.

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What Is The Vertical Line Test Expii

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Use The Vertical Line Test To Identify Functions College Algebra

That is every x value of a function must be paired to a single y value.

Vertical line test math definition example. The vertical line test is a simple method for determining if an equation is indeed a function. The vertical line test supports the definition of a function. Fortunately there is an easier way. The vertical line test.

The vertical line test. Then take a vertical line like a ruler and pass it over the graph. Some examples showing how to use the vertical line test to check if a relation is a function or not. If we think of a vertical line as an infinite set of x values then intersecting the graph of a relation at exactly one point by a vertical line implies that a single x value is only paired to a unique value of y.

You will see a correct vertical line test and an incorrect vertical line test. Next we show you a few examples where the vertical line test was used to determine if the graph is a function. The vertical line test is a simple method for determining if an equation is indeed a function. The vertical line test is performed by.