Mathematics
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OpenStudy (atlchic):
Write an equation of this line: Slope-5 & Y-Intercept--15
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OpenStudy (anonymous):
y=-5x-15
OpenStudy (anonymous):
sorry. y=5x-15
OpenStudy (anonymous):
slope goes in front of the "x" and the y-int is put at the end.
OpenStudy (atlchic):
Write an equation for this line: (-2,3) and m= -1/4
OpenStudy (anonymous):
k, one sec
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OpenStudy (atlchic):
sure
OpenStudy (anonymous):
any specific form? like point-slope or slope-intercept form.
OpenStudy (atlchic):
just an equation
OpenStudy (anonymous):
ok, i'll give it to you in a few different way.s
OpenStudy (anonymous):
Point-
slope form:\[(y-3) = -1/4(x+2)\]
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OpenStudy (anonymous):
slope-intercept form:
\[y=-1/4x+5/2\]
OpenStudy (atlchic):
write equation of line: (-1,7), (8,-2)
OpenStudy (anonymous):
hehe. You going to be able to do these on your test?
OpenStudy (atlchic):
yea
OpenStudy (anonymous):
\[(y2-y1) = m(x2-x1)\]
one second while I plug everything in.
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OpenStudy (atlchic):
k
OpenStudy (anonymous):
\[(-2-7) = m(8+1)\]
OpenStudy (anonymous):
that's not done yet.
OpenStudy (atlchic):
write point-slope, (5,-2), m=3
OpenStudy (anonymous):
m = -8/9
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OpenStudy (atlchic):
next question
OpenStudy (anonymous):
\[(y-7)= -8/9(x+1)\]
\[y=(-8/9)x+(55/9)\]
OpenStudy (anonymous):
sorry, that is the final answer for the previous question
OpenStudy (atlchic):
next question
OpenStudy (anonymous):
y=3x-17
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OpenStudy (atlchic):
write in standard form: y+3=2(x-4)
OpenStudy (anonymous):
y-2x=-11
OpenStudy (atlchic):
i thought standard form was ax+by=c
OpenStudy (anonymous):
-2x+y=-11
OpenStudy (atlchic):
write in slope-intercept form: y-1=-2(x+5)
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OpenStudy (anonymous):
slope intercept form: y=mx+b
OpenStudy (atlchic):
yea can u put that in slope-intercept for me
OpenStudy (anonymous):
y=-2x-9
OpenStudy (atlchic):
solve 3y-4>-37
OpenStudy (anonymous):
y>-11