Topic: parallel lines list of topics
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23 items are filed under this topic.

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	Parallel and Perpendicular lines		2017-07-17
		From Karen: Find an equation for the line with the given properties. Perpendicular to the line 7x + 2y = -6; containing the point (-2, -1) Find an equation for the line with the given properties. Parallel to the line 5x - 3y =-6; x intercept = 3 Answered by Penny Nom.
	Parallel lines		2016-10-26
		From Jordan: (7,-5) 3x -4y=5 Answered by Penny Nom.
	A transversal		2011-03-30
		From Jillian: I don't understand finding angels in a transversal Answered by Penny Nom.
	Forming a square		2009-10-21
		From christianah: Two parallel lines have the equations y=x+4 and y=x-2.Two additional lines are drawn to form a square.What is the side length of the square?Write possible equations for the additional lines.Explain and justify your reasoning. Answered by Penny Nom.
	Parallel lines		2009-07-01
		From chris: Write the slope of a line that is parallel to each line. 1.y=2x-5 2.y=-x+2 3.3x+y=10 4.5x-y=11 5.x+2y=6 6.2x-3y=9 7.4x+y=3 8.x+2y=14 Answered by Brennan Yaremko.
	Parallel and perpendicular lines		2009-04-08
		From Blake: I need to know what the formula for working a problem. I need to know how to find if i line is parallel or perpendicular by only looking at the equation. i know you must know the slope but how do i find slope? Answered by Stephen La Rocque.
	Are these lines parallel?		2009-02-06
		From Conor: are these lines parallel? y = 3x -2 and 6y = 3x +2 Answered by Stephen La Rocque.
	A geometric construction		2008-10-17
		From M: Given any 3 parallel lines on a plane, how to construct an equilateral triangle with each vertex on each line? Answered by Chris Fisher.
	Parallel and perpendicular lines		2008-09-06
		From C: Can you help me determine whether these lines are parallel, perpendicular or neither and why? Problem 1: y=3x+2 y=1/3x - 4 Problem 2: y=1/3x + 1/2 y=1/3 x -2 Answered by Penny Nom.
	Proving a quadrilateral is a rectangle		2007-07-14
		From Sonja: I was having this discussion with another teacher and we need a third opinion. When you are trying to prove a quadrilateral is a rectangle which method should you use: Prove the shape is a parallelogram by doing slope 4 times by stating that parallel lines have equal slopes. Then proving a right angle by stating that perpendicular lines have negative reciprocal slopes. Doing the slope 4 times and stating that the shape is a rectangle because opposite sides are parallel because of equal slopes and it contains a right angle because of negative reciprocal slopes. I guess the real question is do you have to first state that the shape is a parallelogram? Answered by Stephen La Rocque.
	The distance between parallel lines		2007-05-28
		From Kristie: I can't figure out how to determine the distance between parallel lines I am taking linear algebra and vector geometry. I was given two lines in the form #x+#y =# told they were parallel and asked to find the distance between them?? Please help Thanks Answered by Penny Nom.
	Slicing a double-napped cone with a plane		2007-05-07
		From Andrew: I am writing a paper about creating parallel lines by slicing a double-napped cone with a plane. I have found out how it can be shown by algebra that the equations for parallel lines are generated from the degenerate case of a second degree polynomial in two variables, but I have yet to find a source with a visual representation of this case. Do you know if it exists? Answered by Chris Fisher.
	Two parallel lines		2007-04-25
		From prasanna: Let me know the Equation of a line which is parallel to some other line at a distance of Dmts. Answered by Penny Nom.
	A line that is perpendicular to another line		2007-03-16
		From Jesse: How do you write an equation of a line that is perpendicular to y+2x+3 and passes through (3,4); I don't understand the steps of how to do this???? Answered by Stephen La Rocque and Penny Nom.
	Prove that the triangle ABC is isosceles		2007-03-05
		From Lisa: I am stuck on this problem... If AB = CD (parellel line), and Answered by Stephen La Rocque and Penny Nom.
	Parallel lines		2007-02-27
		From Jennifer: How to you decide whether the graphs of these two equations are parallel linse: y=3x+2, y=1/3x+4 Answered by Stephen La Rocque and Penny Nom.
	An angle in a parallelogram		2006-08-13
		From Sam: Parallelogram ABCD has diagonal AC equal in length to side AB. CD is produced to E so that D is between E and C. If angle BAC =30 degrees find the size of angle ADE. Answered by Stephen La Rocque.
	Two parallel lines		2006-01-22
		From Marbara: On my math homework I have a problem where it says find the value of x so that L is parallel to M on one of the there are three lines. the top one is horizontal which is L. the bottom one is also horizontal directly under L which is M. there is another line that is diagonal going through the middle sections of L and M. To the right of the diagonal line and right under line L is an equation 5x-10 to the right of the diagonal line and right above line M is an equation 8X-5 I tried to find what X is but I can't because it never matches both equations no matter what way I try to do it. Answered by Penny Nom.
	What is the angle between 2 non-collinear parallel lines?		2005-10-17
		From Ben: What is the angle (if any) between 2 non-collinear parallel lines? Answered by Chris Fisher and Walter Whiteley.
	A theorem involving a trapezoid		2004-09-29
		From Abraham: Given:Trapezoid ROSE with diagonals RS and EO intersecting at point M Prove:Diagonals RS and EO do not bisect each other. Answered by Harley Weston.
	Parallel and perpendicular lines		2000-05-08
		From Jimmy Lumpkins: Need a method for solving the following problem: Find the equation of a line through point P that is parallel or perpendicular to another line. Answered by Paul Betts.
	Parallel lines		2000-01-12
		From Lori: Find an equation of the line parallel to the given line containing the given point. x + y = 2; (1,2) We know parallel line have the same slope and we know the answer y = -x + 3. Answered by Penny Nom.
	Prove that these two lines are parallel.		1996-05-29
		From Adam Piekarzewski: Using parallel line theorems and side angle side etc. in triangle acd a line is drawn from point b on ac and point i on ad. another triangle fliped vertically and joined at d is named fdh, a line is drawn from point e on fd and point g on fh. ab = fg, ai = fe, ac || fh prove that bi || eg /- -/ Answered by Harley Weston.

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