8n2 + 4n - 16 = -n2

8n2 + 4n - 16 = -n2

A stone is thrown upward at a velocity of 32 ft./s from a mountain 240 feet high when will the stone hit the ground

I believe this question is very simple, I just would like to know why in this specific example (2x3+2x2-19x+20=0) once I am done plugging in the trinomial into the quadratic formula and get...

Full Question: There are 3 squares. The first one is half the width of the second square. The second square is half the width of the third square. The total area is 1000 square feet. What is the combined...

The question is written like this: The width of a rectangle is (x+2) cm. The perimeter of the rectangle is 6(x+1) cm. The area of the rectangle is 18 cm2. Show that 2x2+5x-16=0...

What is the length and width?

Could someone help me with this question step-by-step using the quadratic formula? 3x² + 24x – 144

i don't how to solve the question.can u please help me. i want the answer..

a) f(x) = x3 − 5x2 + 2x + 12 b) g(x) = 4x3 − 6x2 + 1

Solve using Quadratic equation

How do I know if this has One, Two, or No Real Solution? -3x^2 + 5x - 1 = 0

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28 ----------- 2 However I'm not too...

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28 ----------- 2 However...

500=2.2v+v2/20

I am trying to find a equation that would graph a parabola given the vertex and both x intercepts. Can you please help? Thanks.

Please explain your reasoning.

I know I have to use the quadratic formula, but not sure how to get started. x=x0+v0t+(1/2)at^2, solve for t

3x^2-10x-3=0

The square of a number (x^2), decreased by 6, is equal to 18 decreased by 5 times the number. The numbers are _______ and _________.

Could someone help me with this question step-by-step using the quadratic formula? 3x²-17x+10