Friday

February 27, 2015

February 27, 2015

Posted by **Zoey** on Wednesday, May 2, 2012 at 10:17pm.

- Pre-Calc -
**Reiny**, Wednesday, May 2, 2012 at 10:24pmcomplete the square

y = 5(x^2 - 8x + ....) + 78

= 5(x^2 - 8x + 16 - 16) + 78

= 5( (x-4)^2 - 16) + 78

= 5(x-4)^2 - 80 + 78

= 5(x-4)^2 - 2

take over ....

- Pre-Calc -
**Zoey**, Wednesday, May 2, 2012 at 10:48pmWhat's my next step??

- Pre-Calc -
**Reiny**, Wednesday, May 2, 2012 at 11:10pmWe could write our answer in the form

y+2 = 5(x-4)^2

take a look at

http://jwilson.coe.uga.edu/emt725/class/sarfaty/emt669/instructionalunit/parabolas/parabolas.html

half-way down the page at example 3

and follow the steps.

- Pre-Calc -
**Zoey**, Wednesday, May 2, 2012 at 11:11pmthank you!

**Answer this Question**

**Related Questions**

Pre-cal - Sketech the graph of the equation y^2+4y+2x+10=0. Identify the vertex...

pre cal - What is the center of the conic whose equation is x^2 + 2y^2 - 6x + ...

Pre Cal - write the equations of the parabola, the directrix, and the axis of ...

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

Pre-Calc - Find the vertex, value of p, axis of symmetry, focus, and directrix ...

pre cal - find the standard form of the equation of a parabola with the vertex (...

Conic Sections - How do you find the equation for this problem? Conic Center(1,3...

Math - Find the vertex, focus, and directrix of the parabola. x^2 - 2x + 8y + 9...

Pre Cal Check - focus: (0,p) vertex: if not given, then it is assumed (0,0) ...

Vertex, Focus, & Directrix of Parabolas - Find the Vertex, Focus, and Directrix ...