Intermediate Geometry : How to find x or y intercept

Study concepts, example questions & explanations for Intermediate Geometry

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Example Questions

Example Question #21 : How To Find X Or Y Intercept

Find the -intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #22 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #23 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #24 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #25 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #26 : How To Find X Or Y Intercept

Find the x-intercept of the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #27 : How To Find X Or Y Intercept

Find the x-intercept of the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #28 : How To Find X Or Y Intercept

Find the x-intercept of the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

 

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #29 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

Example Question #30 : How To Find X Or Y Intercept

Find the x-intercept for the line .

Possible Answers:

Correct answer:

Explanation:

Start by putting the equation into  form, where  is the slope, and  is the y-intercept.

 

By definition, the x-intercept is where the line crosses the x-axis. As such, the y-coordinate of this point must be 

Plug  in for  in the equation for this line.

Now, solve for .

The x-intercept is found at .

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