anonymous
  • anonymous
What is the slope of the line that passes through the points (1, 7) and (–4, –8)? A. –3 B. -1/3 C. 1/3 D. 3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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uri
  • uri
use the slope formula
pooja195
  • pooja195
\[\huge~\frac{ y2-y2 }{ x2-x1 }\]
pooja195
  • pooja195
(x1,y1) (x2,y2)

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More answers

uri
  • uri
omg why am i helping?! not supposed to help, byez
anonymous
  • anonymous
why not D: @uri
anonymous
  • anonymous
and i understand the formula i did it and got -4/6 i just am lossed from there.
Black_ninja123
  • Black_ninja123
its actually D
anonymous
  • anonymous
how do you figure?
Black_ninja123
  • Black_ninja123
\[\frac{ -8-7 }{ -4-1 }\]
uri
  • uri
i love you and all but i cant bear kids like pooja @Swordsman1305
Black_ninja123
  • Black_ninja123
\[\frac{ -15 }{ -5 }=3\]
anonymous
  • anonymous
oh.. well pooj left
Black_ninja123
  • Black_ninja123
pooja formula was wrong she wrote y2-y2 and its actually y2-y1
anonymous
  • anonymous
black i thought i was supposed to do 8-4 and 7-1?
anonymous
  • anonymous
yes.. i think so>? pooja right?
Black_ninja123
  • Black_ninja123
y2 is -8 and y1 is 7 so -8-7= -15
Black_ninja123
  • Black_ninja123
x2 is -4 and x1 is 1 -4-1=5
anonymous
  • anonymous
well anyway i dont do y2= -8 y1= -4 x2 = 7 x1= 1 and then -8-(-4) 7-1 and get -4/6?
Black_ninja123
  • Black_ninja123
-5*
anonymous
  • anonymous
so what i did is the wrong way?
Black_ninja123
  • Black_ninja123
y1 is 7 not -4
Black_ninja123
  • Black_ninja123
x1=1 y1=7 x2=-4 y2=-8
anonymous
  • anonymous
ugh this is soo confusing i went off what you said here http://openstudy.com/study#/updates/556de732e4b01de5673c84b4 @Black_ninja123
Black_ninja123
  • Black_ninja123
Oh i'm so sorry for that i got the numbers mixed up
anonymous
  • anonymous
so it was the wrong answer?
Black_ninja123
  • Black_ninja123
Use the example i just gave you
Black_ninja123
  • Black_ninja123
the answer is right
Black_ninja123
  • Black_ninja123
use this calc http://www.mathwarehouse.com/calculators/slope-formula-calculator.php
anonymous
  • anonymous
so the first one is right.. you just mixed up the formula set up a bit?
anonymous
  • anonymous
ok well just to clarrify this one is D and the last one i asked was the right one that you gave? correct?
anonymous
  • anonymous
ok thanks i gave u medal
Black_ninja123
  • Black_ninja123
yes sorry I made things confusing
Black_ninja123
  • Black_ninja123
I a horrible at explaining things
Black_ninja123
  • Black_ninja123
am*
anonymous
  • anonymous
its ok i tagged u to another question.. perhaps u want another medal? :D

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