8n2 + 4n - 16 = -n2

8n2 + 4n - 16 = -n2

im in high school and I haven’t learned derivetives yet so it would be great if the answer was able to be solved as simple as possible

Harriet jumped off a cliff into the ocean while vacationing with some friends. Her height above the ocean in feet, hh, as a function of time in seconds, t, is given by the function h=−16(t^2−t−30) How...

Write an equation for the family of quadratic functions, in factored form, with the zeros 0 and negative 8.

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Factor the equation and find the solution set

Need help to figure out the answer to this problem, cannot remember steps

please help me answer this! for my exam! means alot

A metal wire, 40 cm long, is cut in two and each piece bent to form a square. If the sum of their areas is 58 cm^2, who long is each piece of wire?

answer must be 2-30

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h=height in feet t=time in seconds if h=96 feet, t=?

4x2 + 28x = 0

A Sheet of cardboard 42cm long and 24cm wide has squares cut out of the corners so it can be folded to form an open box. Find the dimensions of the box if the volume of the box is 468cm^3. Using Quadratics...

I have no idea how to get to the answer, please help! Thank you.

Grade 10 solving problems using quadratic equations.

Here is a link to the picture of the problem. http://imgur.com/0ZiyAzP