Help Plz will medal and fan :)
What is the slope-intercept form of the function that contains the point (6, 2) and has a slope of 3?
y=___x+___
@Luigi0210 @Godlovesme
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OpenStudy (anonymous):
use the formula y=mx+b
OpenStudy (anonymous):
then substitute
OpenStudy (godlovesme):
we know that slope is 3 right? @FateRocks8D
OpenStudy (anonymous):
yes
OpenStudy (godlovesme):
y=mx+b
m represents the slope so, plug that
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OpenStudy (anonymous):
y=3x+b ?
OpenStudy (godlovesme):
yep :)
OpenStudy (godlovesme):
now we need b which is y-intercept -> is where the line hits the y-axis so basically x will be 0 during y-intercepts|dw:1423095464453:dw|
OpenStudy (godlovesme):
r u confused? @FateRocks8D :P
OpenStudy (anonymous):
lil bit
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OpenStudy (godlovesme):
sorry :( which part is confusing u?
OpenStudy (anonymous):
for b
OpenStudy (godlovesme):
to make this easier use this and solve for b
2=3(6) + b
2-12=12-12+b
b=-10
y=3x-10 is that an option?
OpenStudy (anonymous):
so u pluged in 6,2 and added and suib. and got -10
OpenStudy (godlovesme):
yep :)
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OpenStudy (anonymous):
ok cuz the last time I had a question like this I failed it o_o