40 articles trouvés pour ce sujet.
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The equation of a line |
2018-01-23 |
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Gloria pose la question : Write the equation of a line in standard form through the point (1, 6) and perpendicular to the line 2x –y = 9. Penny Nom lui répond. |
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When are the hands of a clock perpendicular? |
2018-01-11 |
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Nazrul pose la question : How many times in a day are the hands of a clock perpendicular to each other? How can I find the times? Please help me. Penny Nom lui répond. |
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Parallel and Perpendicular lines |
2017-07-17 |
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Karen pose la question : 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 Penny Nom lui répond. |
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Perpendicular lines |
2016-02-14 |
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Brendon pose la question : points A (-4; 6) , B (1;-2), C (5;-3) and D (4; 1) are given
prove that AC and BD are perpendicular to each other Penny Nom lui répond. |
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A circle which is tangent to two perpendicular lines |
2014-03-09 |
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MJ pose la question : I'm a College Student taking up Bachelor of Secondary Education on Math Subject.
And I'm struggling for my research about Circles. I done solving the said topic particularly on this question:
"What are the possible equations of a circle being tangent to a pair of perpendicular lines, having the origin as the Point of Intersection and the C (h, k), where h, k ∈ℤ"
But I can't get what would be the process that I must do in order to jive to my idea/goal for that problem.
Please check my idea that the numerical coefficients of the equation is equal to the radius of the circle.
Thanks in advance! :) Penny Nom lui répond. |
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Two perpendicular lines |
2013-08-15 |
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Hanna pose la question : The problem says, "Write the equation in standard form for the line that is perpendicular to the graph of y=5x+1 with a y-intercept of 4." I have no clue how to do this. Please help me! Penny Nom lui répond. |
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Two perpendicular chords |
2010-09-11 |
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edwin pose la question : two perpendicular chords AB and CD intersect at P. if X,Y are their midpoints and M the centre of the circle, prove that MP=XY. I do not a have clue on how to do it so can you please help me with it Robert Dawson lui répond. |
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Is it a rectangle? |
2009-10-29 |
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sefora pose la question : The coordinates of the vertices of quadrilaterals are given.
Draw each quadrilateral on a grid.
Determine whether it is a rectangle (show your work)
P(5,1), Q(-4,4), R(-6,-2), S(3,-5) Penny Nom lui répond. |
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Finding the Line Joining Perpendicular Feet |
2009-07-16 |
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mukulu pose la question : Please help I've been tryng to search in your data but i failed to get the solution Find the equation of a straight line joining the feet of the perpendiculars drawn from the point A(1,1) to the line 3x-3y-4= 0 and 3x+y-6=0. Janice Cotcher lui répond. |
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The product of gradients between 2 perpendiculars lines |
2009-06-11 |
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Alister pose la question : how do i prove that the product of gradients between 2 perpendiculars lines equal to -1.... Penny Nom lui répond. |
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Perpendicular lines |
2009-05-07 |
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shabnam pose la question : the line presented by y= 3x-2 and a line perpendicular to it intersect at R(1,1). Determine the equation of the perpendicular line Stephen La Rocque lui répond. |
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A perpendicular line in standard form |
2009-04-21 |
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Kristy pose la question : Can you help me with this equation?
Find the equation, in standard form of the line perpendicular to 2x-3y=-5 and passing through
(3,-2) With the equation in standard form with all integer coefficient. Stephen La Rocque lui répond. |
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Parallel and perpendicular lines |
2009-04-08 |
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Blake pose la question : 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? Stephen La Rocque lui répond. |
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A line is perpendicular to another line |
2009-01-16 |
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Greg pose la question : A line is perpendicular to the line y=2x+3 and has the same x-intercept as x+3y+10.
Find the equation of this line. Express your answer in the form of y=mx+b. Justify your answer. Robert Dawson lui répond. |
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Perpendicular lines |
2008-10-16 |
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Hailey pose la question : In the xy-plane,
the line with equation 2x + y = 3
is perpendicular to the line with equation y = mx + b,
where m and b are constants.
What is the value of m? Penny Nom lui répond. |
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Perpendicular |
2008-09-08 |
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amanda pose la question : hi my name is amanda medjuck i am in grade 7. we are learning basic geometry terms and have to
define words BUT I DONT KNOW WHAT A PERPENDICULAR LINE IS PLEASE HELP ME!!! Penny Nom lui répond. |
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Parallel and perpendicular lines |
2008-09-06 |
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C pose la question : 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 Penny Nom lui répond. |
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A line which is perpendicular to another line |
2008-06-18 |
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Emily pose la question : How do you solve perpendicular bisectors with a slope and a point? Penny Nom lui répond. |
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Two perpendicular lines |
2008-03-07 |
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Daphne pose la question : Does anyone know how to find a line perpendicular to -3x=4y=20 and
passes through the point (-12,0)? Stephen La Rocque and Penny Nom lui répond. |
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Proving a quadrilateral is a rhombus |
2007-12-03 |
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Jeanie pose la question : How do you prove that a quadrilateral is a rhombus because the diagonals
of the quadrilateral are perpendicular and bisect each other using the 2-column
proof method? Stephen La Rocque lui répond. |
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Equation of a circle circumscribing a triangle with given vertices |
2007-10-01 |
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Randy pose la question : How do I determine the equation of a circle when it is circumscribed by a
triangle whose vertices are (-1, 6), (3, -2), and (2, 5)? Stephen La Rocque lui répond. |
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Finding equations, intersection point of two lines at right angles |
2007-09-22 |
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Yaz pose la question : Find the equation of the line joining A(-1,-9) to B(6,120). Another line passes through C(7,-5) and meets AB at rigth angle of D. Find the euation of CD and calculate the co-ordinates of D. Stephen La Rocque lui répond. |
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Perpendicular lines |
2007-09-06 |
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dinesh pose la question : we know that for two perpendicular lines
m1*m2=-1perpendicular
but this is not true for x-axis and y-axis? Harley Weston lui répond. |
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Equation of a perpendicular line |
2007-07-28 |
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Marina pose la question : Find the equation, is standard form, with all integers coefficients, of the line
perpendicular to x+3y=6 and passing through (-3,5) Stephen La Rocque lui répond. |
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Finding out if two line equations are parallel or perpendicular |
2007-04-28 |
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Vincent pose la question : Can you determine if the two lines are parallel, perpendicular, or neither
1/2x+4y=3/5
y/1 + 10/5= 8x
I think there perpendicular but how would you solve the equations Stephen La Rocque lui répond. |
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Slopes of perpendicular lines |
2007-03-27 |
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Mykolyn pose la question : How do you find the slope of a line that is perpendicular to the graph of:
y= -1/2x+4? Leeanne Boehm and Sara Ulmer lui répond. |
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A line that is perpendicular to another line |
2007-03-16 |
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Jesse pose la question : 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???? Stephen La Rocque and Penny Nom lui répond. |
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A line perpendicular to another line |
2007-01-13 |
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Dusty pose la question : Find an equation for the line perpendicular to: 3x - 4y + 1 = 0 passing through (4,7) Leeanne Boehm and Penny Nom lui répond. |
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Parallel and perpendicular lines |
2006-12-07 |
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Valeria pose la question : I m having trouble with parallel and perpendicular lines a problem i need help with is y=6 find the slope if al line parallel to the graph of each equation Stephen La Rocque lui répond. |
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Family of lines |
2006-09-29 |
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Sasha pose la question : could a "Family of Lines" have both parallel and intersecting equations that aren't related directly but otherwise related by each other to create a curve Chris Fisher lui répond. |
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Collinear Points |
2003-01-13 |
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Gary pose la question :
Which of the 4 points are collinear when you construct the following concurrent lines or rays of a triangle? - P(1), the point where the angle bisectors intersect.
- P(2), the point where the altitudes (or extensions) intersect (inside or outside of the triangle).
- P(3), the point where the medians intersect.
- P(4), the point where the perpendicular bisectors (or extensions) of the three sides of a triangle intersect.
This is for my 9-12 high school class in geometry. My name is Gary Thanks for your help. Gary
Harley Weston and Chris Fisher lui répond. |
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Normal lines |
2001-12-11 |
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Kristie pose la question : Why are perpendicular lines called normal lines? Chris Fisher lui répond. |
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Intersection of perpendicular cylindrical surfaces |
2001-07-31 |
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Charlie pose la question : Please consider two right circular cylinders, perpendicular one to the other, and of unlike radii in a 3 dimensional Cartesian space with mutually perpendicular x,y,z axes. If one cylinder is centered on the y axis with radius ra, and the other on the z axis with radius rb, then the expression for the first surface would be x2 + z2 = ra2, y = any number. Likewise, the second cylinder's surface would be x2 + y2 = rb2, z = any number. It is my intent to define the curve at the intersection of these two cylindrical surfaces. From sketching the conditions it appears that this intersection resembles an ellipse folded about its minor axis. Chris Fisher lui répond. |
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Kinds of lines |
2001-02-09 |
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Robyn pose la question : What are the different kinds/types of lines? Leeanne Boehm lui répond. |
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Is this a right triangle? |
2000-12-08 |
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Alicia pose la question : How would you set-up and answer a problem like these one? Triangle ABC has vertices A(-2,2), B(1,-2), and C (1,2). Use slopes to determine if the triangle is a right triangle. Penny Nom lui répond. |
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Connecting to a water line |
2000-10-20 |
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Vanja pose la question : My question is...A house is to be connected to a new water main that runs along the line y=2/3x-1. The connection point at the house has coordinates (2,9), where the units represent metres. What lenght of plastic pipe is needed to connect to the water main at the closest point? Penny Nom lui répond. |
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Parallel and perpendicular lines |
2000-05-08 |
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Jimmy Lumpkins pose la question : 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. Paul Betts lui répond. |
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Parallel and perpendicular lines |
1999-04-23 |
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Crystal Pilling pose la question : My name is Crystal Pilling and I am in 9th grade algebra. We are currently studying parallel and perpendicular lines. I am having trouble with this problem: 3/4x - 5y= 16, (5,-6) I have to find a line that is perpindicular to this line on a graph. HELP ME PLEASE!!!!! Penny Nom lui répond. |
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Concurrent Lines in a Triangle |
1998-08-10 |
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Chris Woolf pose la question : The question is Name four types of concurrent lines, rays, or segments that are associated with triangles. Chris Fisher lui répond. |
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A tangent to a circle is perpendicular to the radius at the point of contact. |
1996-10-22 |
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Rita Leung pose la question : I wonder if there is any proof for this theorem - A tangent to a circle is perpendicular to the radius at the point of contact. If there is any proof for that, can you tell me please? Chris Fisher and Harley Weston lui répond. |
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