Intermediate Geometry : How to find x or y intercept

Study concepts, example questions & explanations for Intermediate Geometry

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Example Questions

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Example Question #81 : X And Y Intercept

Give the -coordinate of the -intercept of the line of the equation 

Possible Answers:

Correct answer:

Explanation:

The -intercept of the graph of a function is the point at which it intersects the -axis. The -coordinate is 0, so the -coordinate can be found by substituting 0 for  in the equation and solving for :

Divide both sides by 8:

The -intercept of the graph is at the point .

 

Example Question #82 : X And Y Intercept

Give the -coordinate of the -intercept of the line of the equation 

Possible Answers:

Correct answer:

Explanation:

The -intercept of the graph of a function is the point at which it intersects the -axis. The -coordinate is 0, so the -coordinate can be found by substituting 0 for  in the equation and solving for :

Divide both sides by 7:

The -intercept of the graph is at the point .

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