Sunday

February 1, 2015

February 1, 2015

Posted by **Tifini** on Thursday, July 12, 2012 at 9:30am.

A. 1-1/4x^2

B. 4-x^2

C. X^2-1

D. X^2-4

- Integrated Math 1 -
**Tifini**, Thursday, July 12, 2012 at 9:34amThe vertex is at (0,4) sorry, I copied it wrong.

- Integrated Math 1 -
**Steve**, Thursday, July 12, 2012 at 10:08amsince the vertex is above the x-axis, we will have (with a > 0)

y = -a(x-h)^2 + k

We know (h,k) = (0,4), so

y = -ax^2 + 4

Since y(2) = 0, 0=-4a+4, so a=1

y = -x^2 + 4, so (B)

**Answer this Question**

**Related Questions**

Integrated Math 1 - Suppose a parabola f(x) has its vertex at (0, 25) and its ...

Integrated Math 1 - Suppose a parabola has its vertex at (0, 1) and its zeros at...

algebra - Suppose a parabola has a vertex (-4,7) and also passes through the ...

math - A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) ...

math - A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) ...

math - An equitorial triangles is inscribed in the parabola y^2=4ax, where one ...

Math - 1.) If a = 2 and the vertex of a parabola is (3, -4), will there be a ...

algebra - 6. Find the equation of each parabola described below. a) parabola ...

math - 1 identify the coordinates of the vertex and the equation of the axis of ...

Math: Parabola, Vertex - Find the vertex of the parabola associated with the ...