GMAT Math : Calculating the slope of a line

Study concepts, example questions & explanations for GMAT Math

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Example Questions

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Example Question #1 : Calculating The Slope Of A Line

What is the slope of the line  ?

Possible Answers:

Correct answer:

Explanation:

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

The slope is the coefficient of , which is .

Example Question #2 : Calculating The Slope Of A Line

Give the slope of the line of the equation: 

Possible Answers:

Correct answer:

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , which is .

Example Question #3 : Calculating The Slope Of A Line

Give the slope of the line of the equation: 

Possible Answers:

Correct answer:

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , which is 

Example Question #4 : Calculating The Slope Of A Line

Give the slope of the line of the equation

Possible Answers:

Correct answer:

Explanation:

Rewrite in the slope-intercept form :

The slope is the coefficient of , or .

Example Question #5 : Calculating The Slope Of A Line

What is the slope of the line that contains  and ?

Possible Answers:

Correct answer:

Explanation:

The slope formula is:

Example Question #6 : Calculating The Slope Of A Line

What is the slope of the line that contains  and ?

Possible Answers:

Correct answer:

Explanation:

The slope formula is:

Example Question #7 : Calculating The Slope Of A Line

What is the slope of the line that contains and ?

Possible Answers:

Correct answer:

Explanation:

The slope formula is:

Example Question #8 : Calculating The Slope Of A Line

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

Possible Answers:

Correct answer:

Explanation:

Substitute  in the slope formula:

Example Question #9 : Calculating The Slope Of A Line

In the -plane, what is the slope of the line with equation 4x+5y=8 ?

Possible Answers:

-\frac{4}{5}

4

-4

\frac{8}{5}

\frac{1}{2}

Correct answer:

-\frac{4}{5}

Explanation:

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

y=mx+b, where m is the slope and b is the intercept

Rearrange terms: 5y=-4x+8

Divide by 5: y=-\frac{4}{5}x+\frac{8}{5}

slope = -\frac{4}{5}

Example Question #10 : Calculating The Slope Of A Line

Give the slope of the line with the equation .

Possible Answers:

Correct answer:

Explanation:

Rewrite in slope-intercept form:

The slope is the coefficient of , which is .

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