Tutors Answer Your Questions about Quadratic-relations-and-conic-sections (FREE)
Question 289572: I've have found no satisfying answer to this problem.
"Write an equation that is the set of all points in the plane equidistant from the point F(0,3) and the line y=-3"
I've tried and tried to get an answer to this question, going step by step the way it was taught, and cannot arrive at a reasonable answer.
Please help! And Please explain how you arrived at your answer as well, I need to understand this!
Thanks
Click here to see answer by richwmiller(17219)   |
Question 289934: Given the parabola y = -(x – 6)2 – 1, determine each of the following.
Identify whether the parabola y = -(x – 6)2 – 1 opens up or down. DOWN
Identify the vertex of the parabola y = -(x – 6)2 – 1. (6,-1)
Identify the x-intercept(s) of the parabola y = -(x – 6)2 – 1. (6,-1)
Identify the y-intercept(s) of the parabola y = -(x – 6)2 – 1. (6,-1)
Could you please tell me if my answers are correct?
Thank you, Cynthia
Click here to see answer by richwmiller(17219) |
Question 290057: I've have found no satisfying answer to this problem.
"Write an equation that is the set of all points in the plane equidistant from the point F(0,3) and the line y=-3"
I've tried and tried to get an answer to this question, going step by step the way it was taught, and cannot arrive at a reasonable answer.
Please help! And Please explain how you arrived at your answer as well, I need to understand this!
Thanks
Click here to see answer by dabanfield(803) |
Question 292355: the directions say to put the following equation into graphing form...
i dont know how to do the squared sign on a key board so 2x2 is two x squared
2x2 + 3y2 + 4x - 12y -4 = 0
all i could figure out was that it was an ellipse... i think
Click here to see answer by Edwin McCravy(20059)  |
Question 292216: As sand is poured from a chute, it forms a right circular cone whose height is one-fourth of the radius of the base. What is the radius of the base when the cone has a volume of 144 cubic feet? You may use the formula V=1/3(pi)r^2h for the volume of a right circular cone with a radius r and height h.
Hope this is the correct section to post this question.
I have no idea how to solve this problem and don't understand that formula. Could somebody please explain how to solve this, or at least show me the steps so I can figure it out from there?
Thanks! Any help is appreciated.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 294471: explain why radius squared divided by y1 is the y-intercept in the equation of the line tangent to the circle x^2+y^2=r^2
like in this example: x^2+y^2=17 and the circle meets the tangent at (1,4).What is the equation of the tangent line. The answer is y=(-1/4)x+(17/4)
Why does the (17/4) equal the radius squard by y1?
Click here to see answer by scott8148(6628)  |
Question 294471: explain why radius squared divided by y1 is the y-intercept in the equation of the line tangent to the circle x^2+y^2=r^2
like in this example: x^2+y^2=17 and the circle meets the tangent at (1,4).What is the equation of the tangent line. The answer is y=(-1/4)x+(17/4)
Why does the (17/4) equal the radius squard by y1?
Click here to see answer by Edwin McCravy(20059) |
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