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 Topic: locus
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 A locus of points 2018-09-03 From Ericka:Find the locus of points three times as far from (0,4) as from (2,0)Answered by Penny Nom. The locus of a point 2014-04-04 From srishti:A point P moves such that the difference between its distance from the origin and from the axis of x is always a constant c . what is the locus of the point?Answered by Penny Nom. 13 year and 17 year locusts 2007-10-12 From stefan:how many years pass between the years when both 13 year and 17 year locusts are out at the same time?Answered by Penny Nom. A set of points in space 2007-04-04 From Lenny:What is a set of points in space the same given distance from its center point called?Answered by Stephen La Rocque. How many locations for the lampposts are possible? 2007-01-21 From Madeeha:Maria's backyard has two trees that are 40 feet apart, as shown in the accompanying diagram. She wants to place lampposts so that the posts are 30 feet from both of the trees. Draw a sketch to show where the lampposts could be placed in relation to the trees. How many locations for the lampposts are possible?Answered by Penny Nom. The path of a submarine 2006-02-26 From Meadow:Suppose that a submarine has been ordered to follow a path that keeps it equidistant from a circular island of radius r and a straight line shoreline that is 2 units from the edge of the island. Derive an equation of the submarine path, assuming that the shoreline has equation x = -p and that the center of the island is on the x-axis.Answered by Penny Nom. A locus problem 2006-02-08 From Jason:If the distance from p(1,5) is 3/4 that of the distance of a(4,-3)? find the equation of a locus.Answered by Penny Nom. A point is twice the distance from y = 5 + 2x as it is from y = 5 - 2x 2005-12-09 From Hazel:A point moves so that its distance from the line y=5+2x is twice its distance from the line y=5-2x. Find the general form of the equation of its locus.Answered by Penny Nom. A locus 2003-12-02 From Tash: Question: a)Find the equation of the locus of the point P which moves so that its distance from A(1,2) is always three times its distance from B(5,6) b) Show that this locus is a circle and states the coordinates of its centre and the length of its radius Answered by Penny Nom. Locusts 2001-10-08 From A parent:JOHN CONJECTURED THAT BOTH 13-YR.&17-YR. LOCUSTS CAME OUT THE SAME YEAR. ASSUME IT IS CORRECT. HOW MANY YEARS PASS BETWEEN THE YRS. WHEN BOTH 13 YR. & 17YR. LOCUSTS ARE OUT AT THE SAME TIME? EXPLAIN. NEXT, SUPPOSE THERE WERE 12YR.,14 YR.,& 16YR. LO- CUSTS,& THEY ALL COME OUT THIS YR. HOW MANY YRS. WILL IT BE BEFORE THEY ALL COME OUT TOGETHER AGAIN?Answered by Leeanne Boehm. Two locus problems 2001-03-08 From Janna:A point P moves such that it is always equidistant from the point G(2,5) and the line defined by y=3. Find the equation of the locus. I got as far as the equation: 3y2 -4y = -x2 + 4x - 16 and didn't know what to do from there. Of, course that whole equation could be wrong. Question 2: P is always twice as far from A(8,0) as it is from B(2,0). Find the equation of the locus. Once again, I got as far as y2 = -x2 -8x -56, and got stuck. Answered by Harley Weston.

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