Question

Calculate the average rate of change for the given graph from x = –2 to x = 0 and select the correct answer below.

Answer 1

http://assets.openstudy.com/updates/attachments/55a2e3d0e4b0564dd2d8a3cb-the_yee_dinosaur-1437084739640-03_04a_05.gif

Answer 2

Courtesy of Texas Instruments

0
1
–1
–2

Answer 3

@Nnesha
@nincompoop
@ganeshie8

Answer 4

@Baby_Bear69

Answer 5

idk , i'd be guessing C

Answer 6

C is always my first guess

Answer 7

@Jaynator495

Answer 8

@paki

Answer 9

@paki

Answer 10

Haha we tagged him at the same time

Answer 11

Do you know the formula for the average rate of change?

Answer 12

no

Answer 13

\[M = \frac{ {y2}-y1 }{ x2-x1 }\]

Answer 14

so -1-(-1)
0-2

Answer 15

2,-2

Answer 16

or just -2

Answer 17

So they're asking for the average rate of change from x = -2 to x = 0.
So we have two ordered pairs. (-2, y1) and (0, y2). On the graph it shows that the y's are both -1. So yes you plug in the ordered pairs into the formula.

\[M = \frac{ -1 - (-1) }{ 0 - (-2) }\]

Answer 18

im still confused

Answer 19

What part are you confused on? I'll try to clear it up. :)

Answer 20

when i solved the formula i got 2 and that isent one of the answer choices

Answer 21

You shouldn't get an ordered pair when you solve it. Also, when you put -1 - (-1) 0-2. You forgot that the 2 is also negative so it'd actually be 0 - (-2). The subtraction signs become addition/positive of course. So your equation becomes
\[M = \frac{ -1+1 }{ 0 + 2 }\]