Mathematics
6 Online
OpenStudy (freemap):
Please help me
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OpenStudy (tamara7301):
What do u need help☺☺
OpenStudy (freemap):
Which equation represents the line shown?
OpenStudy (tamara7301):
C
OpenStudy (tamara7301):
That's what I think
Directrix (directrix):
(2,2) and (0,3) are points on the line. That gives a slope of -1/2.
That may eliminate some options. I haven't looked yet.
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OpenStudy (freemap):
Thats what I thought as well.
OpenStudy (tamara7301):
Great
OpenStudy (tamara7301):
Do u need anymore help?
Directrix (directrix):
Y = (1/2) x + 3 is not correct
OpenStudy (freemap):
so that eliminate c because c its just 1/2 instead of -1/2?
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Directrix (directrix):
Yes. Also, the point (2,2) is not on that line.
OpenStudy (tamara7301):
No its C
OpenStudy (freemap):
So we know that it'll have to be d because of the -1/2 slope
OpenStudy (tamara7301):
Cause c is -1/2
OpenStudy (freemap):
@Tamara7301 its just 1/2
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Directrix (directrix):
Correct. That is the only -1/2 slope. Also, the two points I read off the graph are on that line at D.
OpenStudy (tamara7301):
Isn't -1/2 or am I blin
OpenStudy (tamara7301):
Oh sorry
OpenStudy (freemap):
thats okay
OpenStudy (freemap):
Thank you
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OpenStudy (tamara7301):
Ok well sorry for the confusion bye
Directrix (directrix):
Look at the given line. Moving from left to right along the x axis, the values of y are decreasing which is indicative of a negative slope.
OpenStudy (freemap):
I see