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OpenStudy (anonymous):
What is the slope and y-intercept of this line?
y = –2x + 8
A.
slope: 8, y-intercept: –2
B.
slope: 2, y-intercept: –8
C.
slope: –1, y-intercept: 4
D.
slope: –2, y-intercept: 8
OpenStudy (anonymous):
y=mx+b is the form that the equation is in. M is the slope and b is the y-intercept.
OpenStudy (anonymous):
which letteris that
OpenStudy (anonymous):
if you plug in the numbers you will see
OpenStudy (anonymous):
ohhh c.
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OpenStudy (anonymous):
look again :P
OpenStudy (anonymous):
llol my bad a
OpenStudy (anonymous):
close
OpenStudy (anonymous):
OH d I KNOW IT'S D!
OpenStudy (anonymous):
yup
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OpenStudy (anonymous):
do you understand it?
OpenStudy (anonymous):
yeah now I do thx
OpenStudy (anonymous):
What is the slope and y-intercept of this line?
y = x – 3
A.
slope: –3, y-intercept: 1
B.
slope: 1, y-intercept: –3
C.
slope: –1, y-intercept: –3
D.
slope: 3, y-intercept: –1
OpenStudy (anonymous):
try and do this one on your own and i will tell you if your right
OpenStudy (anonymous):
b
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OpenStudy (anonymous):
almost :) You have the right numbers, but you need to switch them
OpenStudy (anonymous):
a
OpenStudy (anonymous):
sry... you were right actually with b :P I was just having a hard time because of the spacing
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
anymore?
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OpenStudy (anonymous):
2 more
OpenStudy (anonymous):
David is selling floral arrangements. Each arrangement uses 1 vase and 12 roses. Each vase costs David $2.00. Let C be the total cost of the arrangement and r be the cost of 1 rose. Which equation should David use to find the total cost of each arrangement?
A.
C = 2r + 12
B.
12 = C + 2r
C.
C = 12r + 2
D.
12C = r + 12
OpenStudy (anonymous):
Important info
C= the total cost of the arrangment
r= the amount of 1 rose and each vase has 12 roses
2.00= the cost of the vase
OpenStudy (anonymous):
With that information, which letter do you think is the right answer?
OpenStudy (anonymous):
c
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OpenStudy (anonymous):
yea
OpenStudy (anonymous):
whats the last question?
OpenStudy (anonymous):
What is the slope-intercept form of this equation?
3x + 9y = 18
OpenStudy (anonymous):
subtract 3x from both sides and then divide by 9 and what do you get?
OpenStudy (anonymous):
b
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OpenStudy (anonymous):
what did you do to get your answer?
OpenStudy (anonymous):
are you able to show your work?
OpenStudy (anonymous):
i found out its a
OpenStudy (anonymous):
not quite
OpenStudy (anonymous):
3x + 9y = 18
9y=-3x+18
y=(-3x+18)/9
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OpenStudy (anonymous):
c?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
thx :D
OpenStudy (anonymous):
np
OpenStudy (anonymous):
well creampie 24 was suspended so i'm using this account i can't close it but it's in a sense closed bye