leahhhmorgannn
  • leahhhmorgannn
http://prntscr.com/91cy4b
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
the slopes of both lines are zero calculate the slope, you will get zero for both
undeadknight26
  • undeadknight26
What the awesome white girl said :D

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leahhhmorgannn
  • leahhhmorgannn
I figured that proving the slope was the same would be a right answer, but I'm not sure how to find the slope with the given values? Like I know the formula and it's usually pretty easy, but the points that are given are confusing to plug into that formula?
misty1212
  • misty1212
which is another way of saying that the y coordinates are the same for both lines
misty1212
  • misty1212
just look at the y's the first one is \((0,0)\) and \((x_2,0)\) the y coordinates are the same, (both zero) so the slope is zero
leahhhmorgannn
  • leahhhmorgannn
so that proves AB, but how does that prove that DE is parallel to AB?
misty1212
  • misty1212
for the second one, both y coordinates are \(\frac{y_1}{2}\)
misty1212
  • misty1212
that proves that the slope of AB is 0
misty1212
  • misty1212
now to prove DE has slope 0, say that the y coordinates of both points are the same that means the slope is 0
misty1212
  • misty1212
then since both AB and DE have the same slope (both zero) they must be parallel
leahhhmorgannn
  • leahhhmorgannn
Ohh, I think I see now. Both D and E have the y coordinates of y1 over 2, right? So they have the same slope.
misty1212
  • misty1212
lets go slow an make sure it is clear
misty1212
  • misty1212
'Both D and E have the y coordinates of y1 over 2, right? " yes that means the slope of DE is zero
misty1212
  • misty1212
and since the slope of AB is zero, the lines are parallel
leahhhmorgannn
  • leahhhmorgannn
Okay, that clarifies the question a lot for me.
misty1212
  • misty1212
ok good!
leahhhmorgannn
  • leahhhmorgannn
Thank you so much
misty1212
  • misty1212
\[\color\magenta\heartsuit\]

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