anonymous
  • anonymous
Can some one help me answering these four questions?? I think I have the correct answer for the last two but im not really sure 1. how do you find the distance between two points on the coordinate plane? 2. how do you find the slope between 2 points on the coordinate plane? 3. what do you have to see as evidence to be convinced that the 2 lines are parallel? 4. what do you have to see as evidence to be convinced that 2 lines are perpendicular?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Mehek14
  • Mehek14
what are your answers?
anonymous
  • anonymous
Never mind I dont have the last two...I ended up loosing my answers..
Mehek14
  • Mehek14
Parallel lines You know they're parallel when they never intersect |dw:1436894589815:dw|

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Mehek14
  • Mehek14
Perpendicular the lines intersect at a 90 degree angle |dw:1436894638111:dw|
Mehek14
  • Mehek14
does that help for the last 2?
anonymous
  • anonymous
Yeah but the first two im really struggling on
Mehek14
  • Mehek14
finding the distance on a coordinate plane: distance formula
anonymous
  • anonymous
or you could say the slope for parallel lines are exactly the same and for perpendicular the slopes are exact opposites
Mehek14
  • Mehek14
@Chumpian perpendicular lines have to intersect at 90 degrees
anonymous
  • anonymous
yes i know that lol
Mehek14
  • Mehek14
2) \(\dfrac{rise}{run}\)
anonymous
  • anonymous
Ok thank you that helps me alot
anonymous
  • anonymous
Could you explain the distance formula really quick to me though?
Mehek14
  • Mehek14
sure \(\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)
Mehek14
  • Mehek14
if you have these ordered pairs (10,0) and (5,4) \(y_2=4\\y_1=0\\x_2=5\\x_1=10\)
Mehek14
  • Mehek14
\(\sqrt{(4-0)^2+(5-10)^2}\\ \sqrt{4^2+(-5)^2}\\ \sqrt{16 + 25} \\ \sqrt{ 41} = 6.4\)
Mehek14
  • Mehek14
^ that's how you do it
anonymous
  • anonymous
Thank you again
Mehek14
  • Mehek14
yw

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