Algebra 1 : How to find out if lines are parallel

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #523 : 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:

 

Example Question #52 : How To Find Out If Lines Are Parallel

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:

Example Question #771 : Functions And 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:

Example Question #524 : 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:

Example Question #773 : Functions And 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:

Example Question #56 : How To Find Out If Lines Are Parallel

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:

 

Example Question #528 : 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:

 

Example Question #774 : Functions And 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:

Example Question #53 : How To Find Out If Lines Are Parallel

Find a line parallel to the line with the equation:

Possible Answers:

Correct answer:

Explanation:

Lines can be written in the slope-intercept format:

In this format,  equals the line's slope and  represents where the line intercepts the y-axis.

In the given equation:

Parallel lines share the same slope.

Only one of the choices has a slope of .

Example Question #54 : How To Find Out If Lines Are Parallel

Find a line parallel to the line with the equation:

Possible Answers:

Correct answer:

Explanation:

Lines can be written in the slope-intercept format:

In this format,  equals the line's slope and  represents where the line intercepts the y-axis.

In the given equation:

Parallel lines share the same slope.

Only one of the choices has a slope of .

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