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Which expression can be used to find the slope of a line containing the points (-3,7) and (7,-1)

2 Answers

4 votes

Answer:

slope is delta y over delta x. In other words change in y over change in x. so if you take -3 (this is x) and 7 (this is also x) and you find the change. in this example it is positive 10. now you set that number aside and work on y now. so you now take 7 (this is y) and -1 (this is also y) and you find the change. It is -8. Finaly, since slope is delta y over delta x your answer is -8/10. -8/10 is your slope.

Hope this helped!

User NerdStarGamer
by
8.5k points
4 votes

Answer:

y2- y1

x2- x1

which would be,

-1 - 7

7- (-3)

Steps:

(-3, 7) (7, -1)

(x1,y1) (x2,y2)

User Wanderingbear
by
8.1k points

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