Mathematics, 26.02.2020 19:37 sammarcot

Write a polynomial that represents the area of the square.

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Answer from: jessica94866

The answer to your question is Area = 49n² - 70n + 25

Step-by-step explanation:

Data

Length of the side = 7n - 5

Formula

Area of a square = side x side

Process

1.- Substitute values

Area = (7n - 5)(7n - 5)

2.- Expand

Area = 49n² - 35n - 35n + 25

3.- Simplify

Area = 49n² - 70n + 25

4.- The polynomial is 49n² - 70n + 25

Answer from: sherlock19

The area of a square is side times side:

So the area of this square is (7n - 5) x (7n-5) or $(7n-5)^{2}$

Apply FOIL to solve this:

(7n-5) (7n - 5)

(7n ⋅ 7n) = $49n^{2}$

(7n ⋅ -5) = -35n

(-5 ⋅ 7n) = -35n

(-5 ⋅ -5) = 25

Area of square: $49n^{2}$ -35n -35n + 25

= $49n^{2}$ -70n + 25

Happy to help!

Answer from: Quest

la parábola es el lugar

geométrico en el cual los puntos tienen una distancia idéntica, equidistantes,

de un punto denominado foco, f, y una recta denominada directriz

el radio vector de una

parábola es el segmento que existe entre un punto cualquiera y el foco.

por la ecuación se observa

que la parábola abre hacia la derecha, por lo cual podemos usar las siguientes fórmulas

la ecuación ordinaria de la

parábola es y^2 = 4px, donde p es la longitud desde el vértice de la parábola al

foco.

la fórmula de la directriz

es x + p = 0

resolviendo:

y^2-9x = 0

y^2 = 9x

4p = 9, entonces p = 9/4

entonces el foco tendrá la

coordenada f(9/4,0)

la directriz vendrá

expresada por

x + p = 0

x = -p

x = -9/4

el problema indica que la

ordenada es igual a 6, entonces

(6)^2=9x

x = 36/9

x = 4

entonces el punto al cual

hay que obtener la distancia será p(4,6)

calculando se tendrá: pf =

pf = 6,25 u

ver más en -

step-by-step explanation:

Answer from: Quest

lol, i have been using this product for a while and the second half of the year for a lon and the first time in a long time ago that the government has not yet received enough votes to be a good the first place in the world to be able to do it in my world life, i

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Write a polynomial that represents the area of the square.
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