Algebra 1 : Equations of Lines

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #81 : How To Find Slope Of A Line

Find the slope of the line that goes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Simplify.

Example Question #496 : Functions And Lines

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Simplify.

Example Question #497 : Functions And Lines

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Subtracting a negative number is the same as adding a positive number.

Simplify.

Example Question #91 : How To Find Slope Of A Line

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Subtracting a negative number is the same as adding a positive number.

Simplify.

Example Question #92 : How To Find Slope Of A Line

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Subtracting a negative number is the same as adding a positive number.

Simplify.

Example Question #93 : How To Find Slope Of A Line

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Simplify.

Example Question #94 : How To Find Slope Of A Line

Find the slope of the line that passes through the following points: 

 and 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope of the line:

Remember that points are written in the following format:

For this line,

Subtracting a negative number is the same as adding a positive number.

Simplify.

Example Question #91 : How To Find Slope Of A Line

What is the slope of the line that runs through the points and ?

Possible Answers:

Undefined

Correct answer:

Undefined

Explanation:

We have been given a set of coordinate points in order to find the slope of the line that runs through it.

We can use the equation:

Since the resulting denominator is 0, it is determined that the slope is a vertical line (since there was no horizontal movement) with an undefined slope or 'no slope'.

Example Question #96 : How To Find Slope Of A Line

Find the slope of the line that passes through the following two points:

 and 

Possible Answers:

Correct answer:

Explanation:

The slope of a line can be found using the formula:

Remember that points are written in the format:

For the given points, 

Remember that subtracting a negative number is the same as adding a positive number.

Simplify.

Example Question #162 : Slope And Line Equations

Find the slope of the line that passes through the following two points:

  and 

Possible Answers:

Correct answer:

Explanation:

The slope of a line can be found using the formula:

Remember that points are written in the format:

For the given points, 

Remember that subtracting a negative number is the same as adding a positive number.

Simplify.

Reduce.

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