# cllege algebra

posted by .

determine the qudratic function whose vertex is (2,-4) and passes through
(3,-1)
fx=

• cllege algebra -

since we know the vertex, let it be

y = a(x-2)^2 - 4
but (3,-1) lies on it
-1 = a(1) - 4
a = 3

y = 3(x-2)^2 - 4

• cllege algebra -

new question using the square to descibe the graph of fx= -8 -16x-x^2

## Similar Questions

1. ### Algebra

1)Write an equation for the parabola whose vertex is at (-8,4) and passes through (-6,-2) answer=y=-3/2(x+8)^2+4 2)Solve x^2>_2x+24 answer=x<_-4 or x>_6 1)Write an equation for the parabola whose vertex is at (-8,4) and passes …
2. ### Algebra 2

Which quadratic function has its vertex at (2,3) and passes through (1,0)?
3. ### Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You
4. ### Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You
5. ### Math

Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (-2, 5) Point: (0, 9)
6. ### college algebra

determine the quadratic function f whose vertex is (2,-4) and passes through (3,-1) f(x)= what?
7. ### Algebra

Determine the quadratic function of f whose vertex is (2,-1) and passes through (3,1) f(x)=
8. ### algebra

Determine the quadratic function f whose vertex is (3,-2) and passes through(1,6) f(x) = ax^2 + bx + c
9. ### College Algebra

A quadratic function has its vertex at the point (-9,8). The function passes through the point (9,4). When written in vertex form, the function is f(x)= a(x-h)^2 +k, where a) h)-9 k)8 4=a(9)^2+8 4=a(9+9)^2+8 4=a(18)^2+8 4=a(332) a=0.01204 …
10. ### Math

Find an equation of the parabola that has the indicated vertex and whose graph passes through the given point Vertex:2,-1 Point:4,-3

More Similar Questions