179 Answered Questions for the topic parabola

07/17/19

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! :((
Parabola Algebra 2

07/14/19

Find the equation of tangent to the parabola, y² = 8x, (4, 2)

Parabola Algebra 2 Graphing

06/19/19

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
Parabola Algebra 2

06/18/19

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

06/18/19

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?
Parabola Precalculus

05/26/19

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

05/19/19

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.
Parabola Algebra 2

05/02/19

Find two numbers whose sum is 34 and whose product is a maximum.

Parabola Math Algebra 2

04/22/19

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)
Parabola Algebra 2

04/19/19

Math parabolas help

which equation represents a parabola opening upward with a vertex at the origin and a focus at (9,0)

03/16/19

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).

03/16/19

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.

03/12/19

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

03/12/19

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)?
Parabola

02/13/19

what if u have y intercept and 2 points?

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