High School Math : How to find x or y intercept

Study concepts, example questions & explanations for High School Math

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Example Questions

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Example Question #65 : Coordinate Geometry

What is the y-intercept of the equation?

Possible Answers:

Correct answer:

Explanation:

To find the y-intercept, we set the  value equal to zero and solve for the value of .

Since the y-intercept is a point, we want to write our answer in point notation: .

Example Question #63 : Algebra I

What is the x-intercept of the equation?

Possible Answers:

Correct answer:

Explanation:

To find the x-intercept of an equation, set the  value equal to zero and solve for .

Subtract  from both sides.

Multiply both sides by  .

Since the x-intercept is a point, we will want to write it in point notation:

Example Question #66 : Coordinate Geometry

What is the y-intercept of 

Possible Answers:

Correct answer:

Explanation:

To solve for the y-intercept, set the x value equal to zero:

Example Question #1 : How To Find X Or Y Intercept

What is the x-intercept of ?

Possible Answers:

Correct answer:

Explanation:

To solve for the x-intercept, set the y value equal to zero:

Subtract  from both sides:

Example Question #2 : How To Find X Or Y Intercept

What is the y-intercept of ?

Possible Answers:

Correct answer:

Explanation:

To find the y-intercept, set the x value to zero and solve:

Example Question #3 : How To Find X Or Y Intercept

What is the x-intercept of ?

Possible Answers:

Correct answer:

Explanation:

To solve for the x-intercept, we set the  value equal to  and solve.

Example Question #4 : How To Find X Or Y Intercept

What is the y-intercept of ?

Possible Answers:

Correct answer:

Explanation:

When looking at an equation in standard  form,  is our y-intercept.

Or, set the  value equal to  and solve.

Example Question #2 : How To Find X Or Y Intercept

What is the y-intercept of

 

Possible Answers:

Correct answer:

Explanation:

Isolate for  so that the equation is in slope-intercept form .

The  is the y-intercept, which in this case, is

Example Question #6 : How To Find X Or Y Intercept

What are the -intercepts of  ?

Possible Answers:

Correct answer:

Explanation:

Factor out an  from the original equation so that it is .

Set that expressions equal to  so that you can find the -intercepts. Your answers are  and

 

Example Question #10 : How To Find X Or Y Intercept

Find the -intercepts of 

Possible Answers:

Correct answer:

Explanation:

Take out a  from the original equation so that you can set the expression equal to  and get your -intercepts  and

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