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Pre Algebra - slope of line passing through two points

by Lonners
(Hanford, CA)










































what is the slope of the line passing through points (-5,0) and (5,4)?

The slope can be computed from these two x,y values.

slope = (change in “y” values)/(change in “x” values)



Comments for Pre Algebra - slope of line passing through two points

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Dec 12, 2011
Slope of a Line
by: Staff


Question:

by Lonners
(Hanford, CA)


what is the slope of the line (-5,0) and (5,4?


Answer:

The slope can be computed from these two x,y values:

(x, y)

(-5, 0)
(5, 4)

slope = “rise” over “run”, or “rise” DIVIDED BY “run”

slope = (change in “y” values)/(change in “x” values)

slope = (y₂ - y₁)/(x₂ - x₁)


The x-y coordinates of the two points are: (-5, 0) and (5, 4)
.


The slope will be calculated as the change of “y” when x increases. In this case “x” will increase from -5 to 5 (left to right).

slope = (y₂ - y₁)/(x₂ - x₁)

slope = (4 - 0)/( 5 – (-5))

slope = (4)/( 10)

slope = 4/10 = 2/5


the final answer is: slope = 2/5






Thanks for writing.

Staff
www.solving-math-problems.com



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