178 Answered Questions for the topic parabola

Parabola Algebra 2

01/18/19

#### Find the quadratic function that fits the following set of data points. {(−4,59),(5,41),(2,−7)}

12/11/18

#### Parabola and Liner equation

Parabola 1 has the equation y=x^2+2x-2. Parabola 2 has the equation y+6=A(x-8)^2. Find the value of A, such that the two parabolas intersect at a point (r,r) in the same first quadrant.

12/11/18

#### Hi so I need to find the equation in standard form of the parabola that passes through the points: (1,-2), (2,-2), and (3,-4)

I have tried to figure out what a, b, or c equals and I just cannot figure it out and now I am crying because I have tried different things for 20 minutes now.

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?

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...
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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?

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?

#### Find the equation of the parabola

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

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

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...
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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?

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

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

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

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?

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...
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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

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?

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...
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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.

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

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?

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...
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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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