Algebra 1 : Equations of Lines

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #38 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

 

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #39 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

  

Example Question #40 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

 

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #511 : Equations Of Lines

Find the equation of a line parallel to:

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #82 : Parallel Lines

Find the equation of a line parallel to:

 

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #41 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

 

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #41 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #511 : Equations Of Lines

Find the equation of a line parallel to:

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

 

Example Question #44 : How To Find Out If Lines Are Parallel

Find the equation of a line parallel to:

Possible Answers:

Correct answer:

Explanation:

Lines that are parallel have the same slope. Lines can be written in the slope-intercept form:

In this equation,  equals the slope and  represents the y-intercept.

In the given equation:

 

Only one of the choices has a slope of :

Example Question #511 : Equations Of Lines

Find a line parallel to the line that has the equation:

 

Possible Answers:

Correct answer:

Explanation:

Lines can be written using the slope-intercept equation format:

Lines that are parallel have the same slope.

The given line has a slope of:

Only one of the choices also has the same slope and is the correct answer:

 

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