# GMAT Math : Calculating the slope of a line

## Example Questions

### Example Question #81 : Coordinate Geometry

What is the slope of the line  ?

Explanation:

Rewrite this equation in slope-intercept form: , where  is the slope.

The slope is the coefficient of , which is .

### Example Question #82 : Coordinate Geometry

Give the slope of the line of the equation:

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , which is .

### Example Question #83 : Coordinate Geometry

Give the slope of the line of the equation:

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , which is

### Example Question #81 : Lines

Give the slope of the line of the equation

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , or .

### Example Question #85 : Coordinate Geometry

What is the slope of the line that contains  and ?

Explanation:

The slope formula is:

### Example Question #86 : Coordinate Geometry

What is the slope of the line that contains  and ?

Explanation:

The slope formula is:

### Example Question #1 : Calculating The Slope Of A Line

What is the slope of the line that contains and ?

Explanation:

The slope formula is:

### Example Question #81 : Coordinate Geometry

A iine goes through points  and . What is its slope?

Explanation:

Substitute  in the slope formula:

### Example Question #89 : Coordinate Geometry

In the -plane, what is the slope of the line with equation  ?

Explanation:

Put the equation in slope-intercept form to solve for the slope:

, where m is the slope and b is the intercept

Rearrange terms:

Divide by 5:

slope =

### Example Question #91 : Coordinate Geometry

Give the slope of the line with the equation .