IXL | Point-slope form: write an equation

A line with a slope of 4 passes through the point

(

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)

What is its equation in point-slope form?

Use the specified point in your equation. Write your answer using integers, proper fractions, and improper fractions. Simplify all fractions.

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Learn with an example

question

A line has a slope of 7 and passes through the point

(

)

What is its equation in point-slope form?

Use the specified point in your equation. Write your answer using integers, proper fractions, and improper fractions. Simplify all fractions.

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key idea

The point-slope form of a linear equation is

–

(

–

)

where

is the slope and

(

)

is a point on the line.

solution

Plug the slope

and the point

(

)

into the point-slope formula.

–

(

–

)

–

Plug in

and

(

–

)

Plug in

and

The equation of the line in point-slope form is

–

(

–

)

Looking for more? Try these:

Lesson: Point-slope form

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Teacher tools

Work it out

Not feeling ready yet? These can help:

AA.6Write a linear equation from a slope and y-intercept

Z.2Find the slope from two points

Lesson: Point-slope form

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