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Parabolas
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Questions (196)
What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
1 answer
asked by
Vince
1,200 views
Consider a parabola P that is congruent to y=x^2, opens upward,and has its vertex at (2,-4). Now find the equation of a new
1 answer
asked by
ted
1,179 views
What is the equation of the directrix of the parabola whose equation is x2-30y=0 ?
1 answer
asked by
LørdySmårt1SS
15 views
If focus and directrix of a parabola are (3,-4) and x+y+7=0 then its length of latuusrectum is?
3 answers
asked by
jogender
1,100 views
1.) If a = 2 and the vertex of a parabola is (3, -4), will there be a minimum or maximum value for the parabola? What is the
2 answers
asked by
Ben
1,098 views
What is the equation, in standard form, of a parabola that contains the following points?
(-1, 10) , (0, 5) , (2, 13)
1 answer
asked by
...
49 views
a mirror with a parabolic cross section is used to collect sunlight on pipe located at the focus of the mirror the pipe is
1 answer
asked anonymously
80 views
What are the focus and directrix of the parabola with the equation y=1/12x^2
1 answer
asked by
Austin-taylor
102 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
812 views
Find an equation of the normal line to the parabola y=x^2−8x+1 that is parallel to the line x−6y =7.
2 answers
asked by
TayB
741 views
A satellite dish in storage has parabolic cross sections and is resting on its vertex. A point on the rim is 4 ft high and is 6
2 answers
asked by
Dinh
708 views
what is the intercept form of this parabola with intercepts at: x = -2, x = 3, and y = -4
2 answers
asked by
Anonymous
597 views
I'm having some troubles with these. Thanks in advance.
If a>0 find the minimum value. If a<0 find the maximum value. 1.
1 answer
asked by
Andrea
587 views
what is the equation, in standard form, of a parabola that contains the following points?
(-2-20). (0-4), (4-20)
2 answers
asked by
Helen
563 views
write the equation for and graph the parabola.
Focus:(-6,7) Opens:Left Contains:(-6,5)
2 answers
asked by
Keaton
529 views
What is an equation of the parabola with vertex at the origin and focus (-4,0)
A. x=1/16y2 B. x=-1/16y2 C. y=-1/16x2 d. y=1/16x2
2 answers
asked by
kelly
520 views
I need help in identifying a graph. I tried textbook and plugging no. with no luck
All numbers on right side of (y) line. Bottom
2 answers
asked by
kirk
498 views
Use the image to answer the question.
A parabola is graphed on a coordinate plane. The x-axis ranges from negative 5 to 5 in
1 answer
asked by
taylor swift
67 views
What are the vertex, focus, and directrix of the parabola with the given equation?
12y = x2 –6x + 45 (1 point)
1 answer
asked anonymously
29 views
1: Length of lactus rectim of parabola with vertex(1,2) and directrix 3x-4y-2=0 is
A) 27/5 B) 18/7 C) 28/5 i kniw the formula to
3 answers
asked by
ash
514 views
Write the equation for the parabola that has x− intercepts (−2,0) and (1.2,0) and y− intercept (0,−4).
2 answers
asked by
Deewen
500 views
Is there a formula to calculate the dimensions of the arcs on a flat piece of paper needed to form a parabolic dish?
Say I was
3 answers
asked by
Anonymous
482 views
What is the opening direction of the parabola x = –2y2.
A.left B.right C.up D.down
3 answers
asked by
Alexis
467 views
Use the image to answer the question.
A parabola is graphed on a coordinate plane. The x-axis ranges from negative 25 to 10 in
1 answer
asked by
SRB
50 views
The parabola whose equation is 4y^2+3x=2+8y, determine the co-ordinates of the focus, equation of the directrix and the length
1 answer
asked by
david
470 views
determine vertex, focus and directrix of parabola. then graph the parabola.
first equation: y^2 -2x-8=0 second equation: y^2 -4y
1 answer
asked by
doug
470 views
State the minimum or maximum value of Y and the corresponding value of X of Y=9-(2X-1)^2. Hence sketch the curve, indicating the
1 answer
asked by
Zeba
440 views
Find the point on the parabola y^2=2x that is closest to the point (2,4)
1 answer
asked by
Dee
443 views
What are the vertex, focus, and directrix of the parabola with the given equation?
y equals StartFraction 1 over 28 EndFraction
1 answer
asked anonymously
63 views
A mirror with a parabolic cross section is used to collect sunlight on a pipe located at the focus of the mirror. The pipe is
1 answer
asked anonymously
49 views
which of the following coordinate pairs is a point on the parabola
y = -4x^2 - 53x - 56
1 answer
asked anonymously
52 views
Which of the following coordinate pairs is a point on the parabola
y=7x^2+32x-19
1 answer
asked by
Gunge Lord
19 views
Which of the following coordinate pairs is a point on the parabola
y=7x^2+32x-19 1. (-1,-40) 2. (2,73) 3. (-3,52)
1 answer
asked by
Gunge Lord
17 views
What are the vertex, focus, and directrix of the parabola with equation y=x2−6x+15 ?(1 point) Responses vertex: (3,
3 answers
asked by
hatemaths
34 views
The point (p, q) lies on the parabola y=ax2 . If you did not know the value of a, how could you use the values of p and q to
1 answer
asked by
drum
16 views
Which of the following coordinate pairs is a point on the parabola ``
(-1,-40) (2, 73) (-3, 52)
1 answer
asked by
Taylor swift
17 views
2- -0+ -2 1 2 3 4 5 6 7 8 9 10 --2- --5- -6- -8- Identity these key features of the parabola points) vertex smaller)-intercept
3 answers
asked by
lol
22 views
Find the equation of the axis of symmetry of the following parabola using graphing technology.
y, equals, x, squared, plus, 4 y=x
1 answer
asked by
ashely
10 views
Using the graph, determine the coordinates of the y-intercept of the parabola.
X = -1 and 5
1 answer
asked anonymously
16 views
Use the image to answer the question.
A parabola is graphed on a coordinate plane. The x-axis ranges from 0 to 8 in increments of
1 answer
asked by
Blue Berry
73 views
Multiple Choice
What is the vertex of the parabola? A parabola is graphed on a coordinate grid. The parabolas passes through the
1 answer
asked anonymously
42 views
Given the parabola y + 2 = 2(x + 3)^2,
a. Without using a graphing calculator, determine which direction the parabola opens (up,
1 answer
asked by
31
22 views
write an equation of a parabola with the given vertex and focus
Vertex: (1, -4) Focus: (1, -3)
1 answer
asked by
34
19 views
Multiple Choice
What is the vertex of the parabola? A parabola is graphed on a coordinate grid.
1 answer
asked anonymously
52 views
A bridge is sketched in the coordinate plane as a parabola represented by the equation h= 40-0.01x^2, where each refers to the
1 answer
asked anonymously
49 views
A bridge is sketched in the coordinate plane as a parabola represented by the equation h=40-0.01x^2, where h refers to the
1 answer
asked anonymously
120 views
Find the vertex, focus, and directrix of the parabola.
xequals StartFraction 1 Over 28 EndFraction y squared
1 answer
asked anonymously
11 views
What is an equation of a parabola with the given vertex and focus?
vertex: (-2, 5); focus: (-2,6)
1 answer
asked anonymously
8 views
what are the focus and directrix of the parabola with the given equation x=-1/8y^2
1 answer
asked anonymously
13 views
Suppose a parabola has vertexLeft parenthesis negative 4 comma 7 right parenthesisand also passes through the point Left
1 answer
asked anonymously
9 views
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