179 Answered Questions for the topic parabola
Find an equation of the parabola with focus at (-4,0) and with directrix x=3.
Express your answer in the form x=f(y)So, I got (y-0)^2=4(3.5)(x-(-1/2))I simplified it to be y^2=14(x+1/2) and I solved for x which gave me x=1/14y^2-1/2 still says its wrong! :((
Find the equation of tangent to the parabola, y² = 8x, (4, 2)
a solar cooker has a parabolic section is y= 4/9 x^2. the greatest depth of the dish is 16 cm. (a) write down the quadratic equation (b) calculate the diameter of the dish
Find the equation of the parabola
A parabola has an equation of the form y=ax2+bx+c. It passes through the points (0,3), (1,0), and (3,0). Find the equation of this parabola in the form y=a(x-h)2+k. I don’t know the steps of how to... more
Parabolas and y intercepts
In the equation y=-2(x+1)2-4 it asks to determine whether the graph opens upward or downward, and also the pattern of change in the y values, i am confused as to how you are suppose to find the... more
An equation of a Parabola in the form of y=(x-h) squared + K
An equation of a Parabola in the form of y=(x-h)2+ K and passes through points (0,6) and (-3,21) Find Its equation?
The parametric of the a parabola is given by x = ø + 1 and y = ø^2 + 2ø + 2 what is the equation of the normal to the parabola at the point (-1,0)
The parametric of the a parabola is given by x = ø + 1 and y = ø^2 + 2ø + 2 . (1) what is the vertex of the parabola? (2) what is the directrix of the parabola?
The parametric of the a parabola is given by x = ø + 1 and y = ø^2 + 2ø + 2 (I) what is the Cartesian equation of the parabola? (II) what is the focus of the parabola?
Help easy question. MATH
Starting with the expression for the standard parabola y = x^2deduce the sequence of transformations needed to create the graph of the function y = -3(x + 2)^2 – 7Note: For instance, if we were... more
Tangent of a Parabola
Find the value of c such that y=x+c is a tangent to the parabola y=x^2-x-12.
Find two numbers whose sum is 34 and whose product is a maximum.
How do I find vertex form using two points?
A question is asking me to find the vertex form equation for (-6, -12) and (4, -2)
Math parabolas help
which equation represents a parabola opening upward with a vertex at the origin and a focus at (9,0)
A Parabola has two x-intercepts. One is (4,0) and the other is unknown. The vertex is at (7,-3). Write the full equation in standard form
Can someone please help me solve this.
determine the values of a and b in the relation ax^2+bx-6 if the vertex of the graph is at (-2,6)
How do I write the standard form when a graph is given?
Write the standard form of the graph with the points (0,3) and (-2,-1).
How do I write the standard form?
Given the vertex(1,-5) and the point (-1,11) write the standard form of the quadratic function whose graph is a parabola with those points.
Finding the vertex of a prabola
We saw how the function h(t)=-16t^2+64t+80, which gives the height in feet of a projectile t seconds after it is launched. Find the vertex of its parabola, which gives the maximum height of the... more
Parabola Writing Quadratic Functions
Writing quadratic functions
How would I write the quadratic function whose maximum value is 5 when x=2 and whose parabola passes through (1,12)?
I need to find the a formula for an parabola with the vertex (1,5) and an x-intercept at (5,0)