Mathematics
7 Online
OpenStudy (sparklestaraa):
Attached
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OpenStudy (sparklestaraa):
#1 is done :) Need 2,3,4,5,6
OpenStudy (sparklestaraa):
@Baayen @wckeller @3mar please help
OpenStudy (sparklestaraa):
@danieldjpon3
Help
OpenStudy (volleysappspbj16):
well for 2 all you need to do is make an equation
OpenStudy (volleysappspbj16):
that look like the one they gave you
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OpenStudy (sparklestaraa):
4x+4=2x+12
OpenStudy (sparklestaraa):
is that good?
OpenStudy (sparklestaraa):
so #3 how can i prove its a legitimate function
OpenStudy (volleysappspbj16):
by solving for x
OpenStudy (volleysappspbj16):
and getting a rational number
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OpenStudy (volleysappspbj16):
so what did you get when you solved for x
OpenStudy (sparklestaraa):
4x+4=2x+12
-4 -4
_______________
4x=2x+8
-2 -2
____________
2x=x+8
-x -x
_________
1x=8
-1 -1
_______
x=8
OpenStudy (volleysappspbj16):
um, well first you must subtract 2x
OpenStudy (volleysappspbj16):
after you subtract 4
OpenStudy (volleysappspbj16):
|dw:1474162736990:dw|
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OpenStudy (sparklestaraa):
Ok so #3 @VolleysappsPBJ16
OpenStudy (volleysappspbj16):
your function is legitimate because there is a real, rational solution to the function
OpenStudy (volleysappspbj16):
wait
OpenStudy (volleysappspbj16):
it says function not equation, sorry,
OpenStudy (volleysappspbj16):
scratch everything
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OpenStudy (volleysappspbj16):
you can make up any function, preferably a linear one
OpenStudy (sparklestaraa):
oh :(
OpenStudy (volleysappspbj16):
do you know y = mx + b
OpenStudy (sparklestaraa):
yep
slope of line equation
OpenStudy (volleysappspbj16):
so make up a function
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OpenStudy (sparklestaraa):
Idk :(
OpenStudy (sparklestaraa):
i don't understand functions
OpenStudy (volleysappspbj16):
so y= 2x+5is a function
OpenStudy (volleysappspbj16):
it represents a line
OpenStudy (volleysappspbj16):
im drawng a picture
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OpenStudy (volleysappspbj16):
do you know ordered pairs
OpenStudy (volleysappspbj16):
|dw:1474164478769:dw|