Write the equation of the line that is parallel to the line 3x - y = -3 and passes through the point (4, -2).
y = -one thirdx - 6
y = -one thirdx - 14
y = 3x - 6
y = 3x - 14
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OpenStudy (godlovesme):
r u familiar with y-y1=m(x-x1) eqn?
OpenStudy (godlovesme):
@ddubay28
OpenStudy (zale101):
First:
3x - y = -3
I will reorder this into slope intercept form to see the slope and y intercept more clearly
3x - y = -3
add y to both sides
3x - y+y = -3+y
3x = -3+y
add 3 to both sides
3x +3 = -3+y+3
3x +3 =y
The slope is?
OpenStudy (zale101):
Member, slope intercept form is y=mx+b
Mis the slope and b is the y intercept. In this case the slope is 3 and y intercept is 3
So, you're question is looking for a parallel line to y=3x+3. Question: Parallel lines have the same slope? Yes or no?
OpenStudy (anonymous):
Yes
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OpenStudy (anonymous):
@Zale101
OpenStudy (anonymous):
@Godlovesme
OpenStudy (godlovesme):
yes sorry i was working on a project so do u understand what @Zale101 did?
OpenStudy (anonymous):
sort of. not completely
OpenStudy (godlovesme):
wanna do it all over again?
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OpenStudy (anonymous):
sure
OpenStudy (godlovesme):
k :) r u good at isolating variable like solving for y in the eqn
\[3x-y=-3\]
OpenStudy (anonymous):
not exactly
OpenStudy (godlovesme):
|dw:1421698708944:dw|
OpenStudy (anonymous):
yes
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OpenStudy (godlovesme):
|dw:1421698893302:dw|r u confused?
OpenStudy (anonymous):
no not yet
OpenStudy (godlovesme):
cool :D so that's the slope-intercept for (\[y=mx+b\] ) |dw:1421699238857:dw|