116 Answered Questions for the topic Parabolas

01/24/16

find the y-interept
what is the y-intercept for the graph of this equation? y=-2.5x^2-24x-11
Follows • 2
Expert Answers •1
Parabolas

01/19/16

Y=½(x+2)² parabola
What is the direction of opening, vertex, equation of the axis of symmetry, max\min value and stretch/compression/reflection of the following... more
Follows • 2
Expert Answers •1
Parabolas

01/06/16

Parabolic function word problem
A truck with a height of 190m enters a tunnel with a parabolic ceiling the width of the tunnel is 20m and the maximum height of the tunnel is 10m. At what minimal distance from the edge at ground... more
Follows • 3
Expert Answers •2
Parabolas

11/13/15

F(5,0) directrix y=-4
F(5,0) directrix y=-4  
Follows • 3
Expert Answers •2

11/09/15

How do you find the equation of a parabola?
I know that the x-intercepts are (0,0) and (2.4, 0 ), and that the vertex is (1.22, 7.3 ), and now I need to find the eqaution of this parabola using this information, except I have no clue. Help... more
Follows • 2
Expert Answers •1

10/10/15

Parabolas Application Q4
A daring feat performed in Acapulco, Mexico is for a person to dive from a cliff into the ocean. Starting about 17 metres above the water, the height, h (in metres), of a diver t seconds after he... more
Follows • 2
Expert Answers •1

10/10/15

Parabolas Application Q3
A farmer decides to fence a new rectangular paddock with the greatest possible area, using an existing fence for one side and 40 metres of fencing to make the other three sides. Let the area of the... more
Follows • 1
Expert Answers •1

10/10/15

Parabolas Application Q2
The height, h metres, of a model rocket above the ground t seconds after after launching is given by the equation h=4t(50-t) for 0 < t < 50   a) Sketch the graph of the rocket when it is... more
Follows • 2
Expert Answers •1

09/20/15

Graphing Parabolas
Suppose g(x) = −(x + 3)2 − 4. State the coordinates of the vertex, the axis of symmetry and whether the parabola opens up or down.
Follows • 2
Expert Answers •1
Parabolas Quadratics

08/14/15

A rectangular paddock is 50 metres longer than its width. If the area of the paddock is 10400 square metres, find its dimensions
can you please tell me how you worked it out aswell
Follows • 3
Expert Answers •2
Parabolas Demand

07/17/15

Find the level of production per week that will maximize total revenue, and determine the maximum revenue per week.
Through a series of marketing pilot programs, the marketing department determines the demand function for a small computer company’s premier laptop is q=-p/6+400, where p is the price (in dollars)... more
Follows • 2
Expert Answers •1
Parabolas

06/29/15

math helpp
if a parabola y=x^2 is shifted from the vertex position of (0,0) to a new vertex position of (10,-20), the new equation for the parabola will be:
Follows • 4
Expert Answers •3

06/10/15

Find a function whose graph is a parabola with this vertex and passes through this point
Parabola with vertex (7,8) that passes through the point (6,-9)
Follows • 3
Expert Answers •2

05/28/15

Help with forming an equation of a parabola
The vertex of a parabola is (-2, -20), and its y-intercept is (0, -12).    equation of the parabola is y = ____x2 + ____x + ____.
Follows • 2
Expert Answers •1
Parabolas

03/31/15

how to find the answer to be able to graph?
Graph the Parabola of the form y = ax2 + bx + c: Integer coefficients   y=2x2-12x+20
Follows • 3
Expert Answers •3
Parabolas

03/19/15

Equation with focus and vertex
what is the equation for a parabola with a vertex of (-2,3) and focus at (-4,3)
Follows • 2
Expert Answers •1
Parabolas

03/16/15

y=16x^2+190x+0
my daughter has to graph a parabola however when inputting the equation, it appears to be almost a straight line and not the vertex as seen in examples.  help.    
Follows • 2
Expert Answers •2

02/23/15

Whats the value of 'a' and 'k'?
How do you find a function's 'a' and 'k'? Like what are the steps?  Lets say you have a point from the parent function (2,2) and a point on the same x-value on the other function which is (3,2),... more
Follows • 2
Expert Answers •1
Parabolas

02/22/15

finding equation of the parabola
Hello,  I have a question that asks to find the equation of the two lines so that I can find (fog)(0). One equation is shown on a graph and the other is shown in a table. It says for the table:... more
Follows • 2
Expert Answers •1
Parabolas Graphing

02/11/15

Graphing Parabolas in All forms e.g y=4 (x-4)^2 -3
Please I really need math help, I have tried really hard to get this question but I always end up even more confused than I was went I tried the problem the first time.  
Follows • 3
Expert Answers •2
Parabolas Algebra 2 Vertex Point

02/08/15

write equation of parabola that has vertex (-3,0) and goes through point (-5,4)
write equation of parabola that has vertex (-3,0) and goes through point (-5,4)   please  show work
Follows • 2
Expert Answers •1
Parabolas Algebra 2 Vertex Point

02/08/15

write equation of parabola that has vertex (2,0) and goes through point (1,3)
write equation of parabola that has vertex (2,0) and goes through point (1,3)     show work please
Follows • 2
Expert Answers •1
Parabolas

02/06/15

I need urgent help finding equation of a parabola!!
The graph of j(x) is a horizontal stretch of the graph f(x)=x2  by a factor of 7. What is the equation of j(x)?
Follows • 3
Expert Answers •2
Parabolas

02/02/15

Suspension bridge
A suspension bridge has twin towers that extend 75 meters above the road surface and are 400 meters apart. The cables are parabolic in shape and are suspended from the tops of the towers. The... more
Follows • 2
Expert Answers •1
Parabolas Algebra 2 Slope

12/01/14

Find the equation of the parabolic function that passes through the points (1,-11) (4,10) and (-3,17)
I need help finding the equation, not really sure where to start exactly...is there a formula to find the slope of a parabola
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.