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Re: Please help me on my math. (Probably easy for most)

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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 02:53 PM
I have no clue what to do.
I will give a problem, you can either show me how you answered it or show another example so I won't know the answer to #2. (1 was just naming the slope intercept form)

Find the slope and y-intercept of each:

2. y=2/3x+5 Slope: Y intercept:


Please help me.




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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 03:04 PM
B1.


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drpece231 is not online. drpece231
Joined: 04 Aug 2011
Total Posts: 36788
18 Dec 2014 03:07 PM
Y=420
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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 03:08 PM
Slope: ? Y intercept: ?*


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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 03:11 PM
@dr
I want to know how to find that out, though.


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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
18 Dec 2014 03:12 PM
The answer is literally right there in the function.
m = slope
b = y intercept

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FireTestAcc is not online. FireTestAcc
Joined: 24 Oct 2014
Total Posts: 393
18 Dec 2014 03:12 PM
Slope is 5. I did this my freshman year. You're doing graphing right?

The formula is y = mx + b; b being the y intercept. In this case, b = 5, so it is the y intercept.
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JianGhomeshi is not online. JianGhomeshi
Joined: 05 Nov 2014
Total Posts: 1183
18 Dec 2014 03:12 PM
take the log on both sides, then use quadratic equation , then use factor theorm
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lnplodedalt is not online. lnplodedalt
Joined: 18 Mar 2014
Total Posts: 12637
18 Dec 2014 03:12 PM
slope-intercept form: y = mx+b
where m = slope and b = y-intercept
so
y=2/3x+5
m (slope) = 2/3
b = 5
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PrettyDancer101 is not online. PrettyDancer101
Joined: 05 Dec 2010
Total Posts: 8454
18 Dec 2014 03:12 PM
slope is 2/3 because the coefficient to x is the slope.

the y-intercept is 5 because in the equation (i forgot its exact name, i took basic algebra long ago), y=mx+b. m is your slope and b is the y-intercept

so all you gotta do is look for the M and the B and there ya go
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FireTestAcc is not online. FireTestAcc
Joined: 24 Oct 2014
Total Posts: 393
18 Dec 2014 03:14 PM
@pretty Wrong, just gtfo okay? This is freshman algebra/graphing which you probably have not done yet. B = Y intercept in the formula: Y=mx + b; b = 5; b = the y intercept; y intercept = 5
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PrettyDancer101 is not online. PrettyDancer101
Joined: 05 Dec 2010
Total Posts: 8454
18 Dec 2014 03:16 PM
@fire

i said that?

im 17, i am PRETTY sure i have had basic algebra LOL
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injury is not online. injury
Joined: 07 Nov 2009
Total Posts: 27951
18 Dec 2014 03:16 PM
y=mx+b
y=2/3x+5

m is 2/3 (the slope)

b is 5 (the y intercept)
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lnplodedalt is not online. lnplodedalt
Joined: 18 Mar 2014
Total Posts: 12637
18 Dec 2014 03:17 PM
"This is freshman algebra/graphing which you probably have not done yet. B = Y intercept in the formula: Y=mx + b; b = 5; b = the y intercept; y intercept = 5"

b does not equal y
y = mx+b is slope intercept
if you subtract mx from both sides you get
b = y-mx (or b = -mx + y)

b = y-mx =/= b = y
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lnplodedalt is not online. lnplodedalt
Joined: 18 Mar 2014
Total Posts: 12637
18 Dec 2014 03:18 PM
oh god nvm thought you said "B=Y" not "B = Y intercept"
scratch that
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FireTestAcc is not online. FireTestAcc
Joined: 24 Oct 2014
Total Posts: 393
18 Dec 2014 03:18 PM
Obviously you need to recap.
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PrettyDancer101 is not online. PrettyDancer101
Joined: 05 Dec 2010
Total Posts: 8454
18 Dec 2014 03:20 PM
@fire

try reading what i said again.

i said the same exact thing as you. rather than trying to critique my math, how about you improve your reading comprehension skills

they're obviously under average.
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FireTestAcc is not online. FireTestAcc
Joined: 24 Oct 2014
Total Posts: 393
18 Dec 2014 03:21 PM
m is the slope, sorry.
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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 03:22 PM
Alright everyone, thanks Fire, this is now solved.


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PrettyDancer101 is not online. PrettyDancer101
Joined: 05 Dec 2010
Total Posts: 8454
18 Dec 2014 03:22 PM
"m is the slope, sorry"

here is what is said, but taken out of context because you obviously lack the attention span to make it through a few sentences:

y=mx+b. m is your slope and b is the y-intercept
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DarkVyrisos is not online. DarkVyrisos
Joined: 09 Aug 2014
Total Posts: 1936
18 Dec 2014 05:07 PM
I said everything was solved. There is absolutely no need for this talk.


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