230 Answered Questions for the topic parabola

Parabola Vertex

12/09/18

What is the value of h?
The vertex of the parabola y=(x-b)^2+b+h has coordinates (2,5). What is the value of h?
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Parabola Conics Circle Ellipse

11/14/18

What is the conic section produced when the plane intersects the cone at an angle less steep than the slope of the cone edge?
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Parabola Math Mathematics

11/12/18

Math homework help
A cannon ball is fired from the top of a tower. The height, h, in metres, is modelled by the function h(t)=-2t²+20t+8 and t will always be greater than or equal to 0. I need to find the height of... more
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10/01/18

What is the new equation of the parabola a=1/2?
The parabola defined by the equation f(x)= x^2-6x+13 is shifted 5 units downward. If the new line of symmetry is at x=4,What is the new equation of the parabola a=1/2?
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10/01/18

What's its equation?
A parabola has a minimum point at (-2,-5) and passing through (1,4). What's its equation?
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Parabola Equation Vertex

09/30/18

Find the equation of the parabola
Find the equation of the parabola with a vertex of (5,-1), where a=1.
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09/26/18

A cable suspended between two posts that are the same height and 10 meters apart has a sag of 1 meter. If the cable hangs in the form of a parabola, find its eq
A cable suspended between two posts that are the same height and 10 meters apart has a sag of 1 meter. If the cable hangs in the form of a parabola, find its equation
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09/23/18

A cable of a suspension bridge
A cable of a suspension bridge hangs in the form of a parabola when the load is uniformly distributed horizontally. The distance between two towers is 150 meters, the point on the cable on the... more
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Parabola

06/21/18

Does the equation y=5x^2-x+1 of the parabola open upward or downward
Does the parabola open upward or downward?
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Parabola

05/13/18

A parabola has directrix x=6, axis y=-5 and latus rectum equal to 9. Find its equation.
How to find the The focus on this
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04/05/18

Give standard form of parabola
Give the standard form of the equation of the parabola with the given characteristics vertex: (1,-8) focus: (2,-8)  
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Parabola

03/05/18

Find the equation of the parabola that passes through the points (-2,24), (3,-1), and (-1,15)
i have been stuck on this question for a very long time and i need advice on how to solve it
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Parabola

03/04/18

Finding a parabolic equation
How to find parabolic equation if 2 x-axis are +2 and +3 and y-intercept is +6 
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02/10/18

Parabolic Arch Question
A parabolic arch supports a bridge. The arch is 200m wide at its base and 4m tall in the middle. How high is a point on the arch that is 20m horizontally from one end?
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Parabola

01/07/18

Regarding parabola
A point p on a parabola y2 =4x, the foot from the perpendicular from it upon the directrix, and the focus of the parabola are the vertices of an equilateral triangle. If the area of the equilateral... more
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Parabola

12/06/17

Find the focus ,vertex and directrix of (y+5)^2=-6x+12
how do I put this in y^2=4px form ?  John
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11/21/17

Brooklyn has 24m of fencing. She wants to build a rectangualr enclosure for her dog with the maximum possible area.
Write a function to represent the rectangular area of the enclosure. How do you know that the function is quadratic?
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Parabola Algebra 2

10/06/17

Does g(x)=2x^2 stretch vertically or horizontally?
I can't tell if 2x^2 would be identified as (2x)^2 or 2(x)^2. There's no parentheses in the original problem although I assume that if it was (2x)^2 it would be indicated, but I just want to make... more
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Parabola

09/10/17

A parabola passes through 3 points, (0,3), (2, 5) and (-1, 8). Form a system of equations and solve to find the equation of the parabola.
Use gaussian elimination to solve. 
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Parabola

09/01/17

A window is a parabola with a horizontal base and the vertex at the uppermost point. The base width is 36 inches and the central height is 48 inches.
conic sections, a parabola specifically. it is yeah
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Parabola

08/21/17

Given 2 points in a parabola, say (1,0) and (2,4) and axis the y-axis. How do you find the equation?
Given 2 points on a parabola A(1,0) and B(2,4) and having the y-axis as its axis. How do you find the equation?
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Parabola

08/15/17

What is the width of the flashlight's opening?
a flashlight is shaped like a paraboloid and the light source is placed at the focus so that the light bounces off parallel to the axis of symmetry; this is done to maximize illumination. A... more
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Parabola

05/09/17

Find the directrix and focus of parabola
A parabola is given by the equation y2 = -24x.find the directrix and focus of the parabola  
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04/27/17

Creating a Parabola
Using the function f(x) = 9x^2 + 12x + 4 find the vertex and the equation of axis of symmetry for the parabola.   (The zeros of this function are (-2,0) and (-2,0) )   Using the formula: x = -... more
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04/27/17

Please Help Me Create A Parabola
Using the function f(x) = ax^2 + bx + c create your own parabola. Answer these questions about your parabola: What are the zeros? What is the y-intercept?What are the coordinates of the vertex?... more
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