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Mumz [18]
2 years ago
10

Please Help me Its a math problem see image attached

Mathematics
2 answers:
AfilCa [17]2 years ago
5 0

Answer: -3

--

To find the Average rate of change within an interval use the slope of the endpoints.

(- 1, 6) and (0, 3)

The slope is

\frac{3-6}{0-(-1)}=\frac{-3}{1}=-3

Hope this helps!

SSSSS [86.1K]2 years ago
4 0

Answer:

  • C. - 3

Step-by-step explanation:

Average rate of change within an interval is the slope of the endpoints.

The endpoints are:

  • (- 1, 6) and (0, 3)

The slope is

  • (3 - 6)/(0 - (-1)) = - 3/1 = - 3

Correct choice is C

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7 0
3 years ago
Which is not an equation of the line going through (6, 7) and (2, –1)?
garri49 [273]
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basically, I'll choose (6,7) as (x1,y1) and (2,-1) as (x2,y2). SO,

First you have to  find the gradient (m) of the line.
  you do this by using the formula m = Y2-Y1 / X2-X1 (where '/' is division sign) ....
Put the numbers in their respective places and your gradient will be 2x. we put the x after our number to represent it as a gradient as the straight line formula is y = mx+c and you've found the m.
NOW.
use the formula Y-Y1=m(x-x1) to find the equation of the line.Again u can use any Y1 and X1 here but remember your m is 2

replace the digits and solve...Hopefully you'll get sth like this if you use the points (6,7):
Y-7 = 2(x-6) ....
y=2x-12+7...
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Now all u gotta do is rearrange all your options into y = mx+c.
D. is incorrect as it gives us y=2x+5 and not y = 2x-5 unlike the others 
 

Hope you get it!




7 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!
kozerog [31]
She did not multiply both sides of the equation by 2.

   2x-6y =-2
<u>+ 2x+6y=3
</u><u />   4x      =1
 
x=1/4
y=5/12

3 0
3 years ago
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