anonymous
  • anonymous
Find the slope of the line passing through the given points. Then tell whether the line falls, rises, is horizontal, or is vertical. (14,-3),(4,11)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Hero
  • Hero
Are you familiar with y = mx + b?
anonymous
  • anonymous
yes
anonymous
  • anonymous
i know how to find the slope i just dont know how to find out whether if it falls, rises that stuff

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Hero
  • Hero
Okay, good, now, I'm going to simply plug each point into that formula: -3 = 14m + b 11 = 4m + b Are you with me so far?
anonymous
  • anonymous
yes
Hero
  • Hero
Okay, m is the slope, so I'm going to isolate b in both equations: b = -3 - 14m b = 11 - 4m Do you see how I got that?
anonymous
  • anonymous
kinda
Hero
  • Hero
It takes a little practice to understand it, but now I'm going to set b = b to get: -3 - 14m = 11 - 4m
Hero
  • Hero
Now all I have to do is solve for m: -3 - 11 = 14m - 4m -14 = 10m -14/10 = m - 7/5 = m
Hero
  • Hero
There we go
anonymous
  • anonymous
ok i was wait thats not right
Hero
  • Hero
You entered the answer as soon as I posted it, lol
anonymous
  • anonymous
kk i got that too
anonymous
  • anonymous
haha yeah
Hero
  • Hero
You shouldn't enter the answer so fast :P I guess I can take my own advice in that regard.
anonymous
  • anonymous
okay
Hero
  • Hero
Sometimes, I make typos, so you should wait at least one minute after someone posts their answer.
anonymous
  • anonymous
um ok
Hero
  • Hero
My fingers are not as bright as my brain
Hero
  • Hero
Sometimes, my fingers hit keys they shouldn't.
anonymous
  • anonymous
oh okay its a
anonymous
  • anonymous
all G
Hero
  • Hero
By the way, If the slope is NEGATIVE, it FALLS If the slope is POSITIVE, it RISES
anonymous
  • anonymous
always?
Hero
  • Hero
If something falls, it's always going down, right? If a plane rises from the ground, it is always going up, right?
anonymous
  • anonymous
right
Hero
  • Hero
|dw:1348449900048:dw|
anonymous
  • anonymous
ohh i see
Hero
  • Hero
Yeah just think about a plane either taking a nose dive or lift off
anonymous
  • anonymous
ohh okay thank u!
Hero
  • Hero
|dw:1348450045305:dw|

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