What is the polynomial 8x^2 +2x-3 in factored form

1 answer:

3 0

Experiment

(8x-3)(x+1), middle term is 5x, nope
(8x+3)(x-1), middle term is -5x, nope
(8x-1)(x+3), middle term is 23x, nope
(8x+1)(x-3), middle term is -23x,nope
(2x-3)(4x+1), middle term is -10x,nope
(2x+3)(4x-1), middle term is 10x, nope
(2x+1)(4x-3). milddle term is -2x, nope
(2x-1)(4x+3), middle term is 2x, YES

(2x-1)(4x+3)

You might be interested in

Sean has 4 12/90 hits. His friend has 9 times more than him. How much hits does Sean’s friend have?

Lady_Fox [76]

I think you would multiply 4 12/90 by 9 which equals 37 1/5

8 0

2 years ago

Read 2 more answers

A profit function is derived from the production cost and revenue function for a given item. The monthly profit function for a c

SpyIntel [72]

Check the picture below.

$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
P(x) = &{{ -0.05}}x^2&{{ +500}}x&{{ -100000}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)\\\\
-------------------------------\\\\
\textit{so }-\cfrac{b}{2a}\textit{ units maximize the profit, and}\\\\\\
c-\cfrac{b^2}{4a}\textit{ dollars is the maximum profit}$