Question

Select 2 sets of points from the chart and find the rate of change.

(9, 8)
(9, 12)
(10, 13)
(7, 8)
(11, 13)

Answer 1

i picked (9, 12) and (10, 13) is the rate of change 1???

Answer 2

slope = vertical change 0ver horizontal change or rise over run

rate of change is primarily slope.

Answer 3

how do you find that though?

Answer 4

take the selected coords and graph. what is the distance from (9,12) to (10,13)?

Answer 5

square root of 18?? ( i used a calculator lol)

Answer 6

1. You can graph the points and "count" the vertical changes and horizontal changes to use in the formula

2.You can substitute the points directly into the formula
\[m=y _{2}-y _{1}/x _{2}-x _{1}\]

Answer 7

use the second.. gawd lol

Answer 8

so its negative 1??

Answer 9

when i used the formula i got negative 1, negative 1

Answer 10

they should be positives... :/

Answer 11

@piercetheveil47