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Parabolas
Page 2
Questions (196)
How does the a, h and k variables affect a parabola?
3 answers
asked by
anonymous
1,114 views
Where is the axis of symmetry of a parabola located?
3 answers
asked by
Anonymous
339 views
Find the equation of the parabola with directix y=3 and focus (5,7)?
3 answers
asked by
Anna
423 views
Three points lie on the graph of the parabola $y = x^2$. The three points form an equilateral triangle. One of the vertices is
2 answers
asked by
shelly
57 views
Find the standard form of the equation of the parabola with given characteristics and vertex at the origin. Focus (5/2,0)
4 answers
asked by
Anonymous
103 views
What is the standard form of a parabola given the vertices (1+3 sqrt 15 , -7) , (1-3 sqrt 15 , -7) and Endpoints of conjugate
1 answer
asked by
Mizzy
353 views
In a parabola y²=4ax, the length of the
chord passing through the vertex & inclined to the x-axis @ an angle π/6 (pi/6) is?
1 answer
asked by
adn
466 views
What is an equation of a parabola with the given vertex and focus?
vertex(-2,5) focus(-2,6)
4 answers
asked by
Steve
397 views
Find the equation of the parabola w/ v(3,-4) and with directrix y=0.
1 answer
asked by
Mohammed
432 views
Find the standard and general equation of a parabola with a vertex at (0,0) and graph passing through (3,5) Axis of Symmetry at
2 answers
asked by
Meiza
488 views
Architechture
A modern building has an entry in the shape 24.2.ft wide at the base. Find an equation for the parabola case (see
1 answer
asked by
erwin
371 views
The focus of the parabola is (-1, -9/4), and the directrix is the line y = -7/4. Show that the point (-2,-3) on the parabola is
2 answers
asked by
Zed
692 views
Write the equation of the parabola
1.Vertex(2,5) Focus(2,-3) 2.Directrix=x=3/4 Focus(5/4,-3) For 1. i got(x-2)^2=32(y-5)^2 For 2.
3 answers
asked by
Ryan
563 views
a parkway 80 ft. wide is spanned by a parabolic arc 100 ft. long along the horizontal, if the parkway is in the center, how high
1 answer
asked by
rhinechilde
877 views
for all parabolas, show that the angle between the line segment joining endpoints of the latus rectum to the vertex is 2 arctan
1 answer
asked by
judith
354 views
the normal to a parabola y^2=4ax at the point t,where t is not 0 meets the curve again at the point t'.find t' in terms of
1 answer
asked by
Shanu
397 views
1. Find the vertex of the parabola: 4y^2+4y-16x=0
2. Find an equation of the parabola, opening down, with vertex (-3,1) and
5 answers
asked by
Veronica
727 views
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola with the given equation.
y = 8x^2 +
2 answers
asked by
KELLY
593 views
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola given by the equation.
x = − 1-3y^2
2 answers
asked by
KELLYM
571 views
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola given by the equation.
x = −
1 answer
asked by
KMILLhelp
465 views
show that; given any three non-collinear points (x1,y1), (x2,y2), (x3,y3) there is a parabola p(x)=Ax^2+ Bx + c , containing the
4 answers
asked by
Chelsea
539 views
A(1,0) is a point on the parabola y=2x(x−1). From point A, point P is moving along the curve towards the origin O(0,0). As P
1 answer
asked by
Bob
355 views
Find the equation and sketch the parabola that has vertex V (-1; 0) and focus F(-4; 0).
1 answer
asked by
dylan
338 views
A parabola has its vertex on the graph of the line y=3x+1 and passes through (1,10). If it is the same size,?
shape, and
1 answer
asked by
Rebekah
468 views
Find the focus, directrix, and focal diameter of the parabola.
x = −4y2 I answered everything right except the directrix. which
1 answer
asked by
amaa
488 views
Write an equation for a parabola that opens upward from its vertex at (-4,3). What is the equation of its line of symmetry?
1 answer
asked by
Sam
437 views
An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet
2 answers
asked by
jenny
637 views
An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet
1 answer
asked by
jenny
474 views
I have a math problem that requires me to find the focal length of a parabola using the information given on a graph. It is a
4 answers
asked by
Anonymous
1,475 views
Find the vertex and focus of the parabola with the following equation:
y = x2 + 6x + 5
1 answer
asked by
tori
440 views
The parabola for the function will point in which direction? y = x^2 + 3x - 4
A. Upward B. Downward
6 answers
asked by
tracy
288 views
How would I put this parabola in standard form: x^2-6x+8y-31
Here how I started it: x^2-6x+9=-8y+31 Im not sure what to do from
2 answers
asked by
Cinderella
1,095 views
Find a Parabola with Vertex (3,1) Focus (4,1)
Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse
3 answers
asked by
sue
755 views
Point (-6,-2) lies on a parabola that has its vertex at (0,1). Write the equation of the parabola. Indicate whether the graph
1 answer
asked by
Dana
412 views
Use the information provided to write the standard form equation of each parabola.
1) Opens left or right, and passes though (18,
2 answers
asked by
Sara
593 views
Which of the following coordinate pairs is a point on the parabola y= -4x^ - 53x - 56?
O (-4, -56). O (-4, 220) O (-1, -7) O (-1,
3 answers
asked anonymously
69 views
Use the image to answer the question.
A parabola is graphed on a coordinate plane. The x-axis ranges from negative 12 to 5 in
3 answers
asked by
Blue Berry
201 views
A parabola has a vertex at (0,0); a horizontal axis; and the point (12,6) is on the parabola. Write the equation of the parabola
3 answers
asked by
Sara
687 views
Directions: The focus and directrix of a parabola are given. Write an equation for each parabola.
(2,4) y = 6 May you explain the
2 answers
asked by
meg
707 views
Find the vertex, focus, axis, directrix and latus rectum of the parabola x^2+ y = 6x - 14
3 answers
asked by
Spenser
742 views
I started having trouble on part (c), and I need to know this before
I can go onto the other problems. Plz help! The parabola
1 answer
asked by
Emily
568 views
Which of the following coordinate pairs is a point on the parabola y = -4x^2-53x -56?
• (-4,220) • (-1,-7) • (-4,-56) •
1 answer
asked anonymously
48 views
Find an equation in standard form of the parabola passing through the points below.
(4,-115) (3,-60) (5,-188)
1 answer
asked anonymously
34 views
An engineer designs a satellite dish with a parabolic cross section. The dish is 14 ft wide at the opening, and the focus is
3 answers
asked by
Jason
2,088 views
A parabola has the equation
y = 4(x-3)^2-7 Choose 2 true statements: A) The parabola has a minimum value B) The parabola has a
2 answers
asked by
claudia
1,838 views
The underside of a bridge has a shape of a parabolic arch. It has a maximum height of 30m and a width of 50m. Can a sailboat
4 answers
asked by
Lorrie
1,672 views
Given that the equation of the parabola is 5y^2 + 24x = 0.
Find (1)The Axis and vertex of the parabola (ii)The focus and the
3 answers
asked by
mary
1,681 views
which of the following coordinate pairs is a point on the parabola y=-4x^2-53x-56?
(-4, 220) (-1, -7) (-1, 13) (-4, -56)
1 answer
asked by
Arthur
63 views
Suppose a parabola has vertex (-4,7) and also passes through the point (-3,8). What is the equation of the parabola in vertex
1 answer
asked by
zaynab
46 views
The entrance way of the city of North Bay used to be an arch that can be modelled by the equation of parabola. If the edge of
1 answer
asked anonymously
43 views
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