Unità 5 - Polinomi

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Special Education

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1st Grade

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Unità 5 - Polinomi

1. Che cos'è un polinomio?

DEFINIZIONE

Si chiama polinomio ogni espressione algebrica che può essere scritta come la somma algebrica di monomi.

2. Le operazioni

DEFINIZIONE

Si chiama polinomio ogni espressione algebrica che può essere scritta come la somma algebrica di monomi.

2. Le operazioni tra polinomi

Addizione e sottrazione di polinomi

ESEMPIO

(8a + 3b - c) + (4a + 8b - 3c) - (2a - 5b - 4c) =

= 8a + 3b - c + 4a + 8b - 3c - 2a + 5b + 4c

= 10a + 16b

Poll

Pronti per fare gli esercizi?

Sì

Semplifica le seguenti espressioni.

Multiple Choice

Risolvi

$\left(2x\ -\ 1\right)\ -\ \left(3x\ +\ 1\right)$

$-1x\ -\ 2$

$3x\ +\ 1$

$6x\ -\ 3$

Multiple Choice

Risolvi

$\left(-5x\ -\ 2\right)\ -\ \left(2\ -\ 3x\right)$

$-3x\ +\ 20$

$-2x\ -\ 4$

$-9x\ +\ 3$

Multiple Choice

Risolvi

$-2m\ -\ \left(2\ -\ m\right)\ -\ \left(m\ -\ 3\right)$

MOLTO DIFFICILE!

$4m-2$

$+4m\ -\ 3$

$-5m\ +\ 1$

$-2m\ +1$

Multiple Choice

Risolvi

$\left(3a^2b\ +\ ab^2\right)+\ \left(-a^2b\ +\ 3ab^2\right)$

MOLTO DIFFICILE!

$-6ab^2$

$-4a^2b$

$2a^2b\ +\ 4ab^2$

$-6ab^4$

Multiple Choice

Risolvi

$\left(5a\ +\ -2b\ +\ c\right)+\ \left(-a\ +\ 2b\ -5c\right)$

SUPER DIFFICILE!

$-59b\ -\ 27c$

$51b\ -\ 22c$

$43c\ -\ 12a$

$+30c\ -\ 40a$

$4a\ -\ 4c$

Multiple Choice

Risolvi

$\left(t^2\ -\ 5t\ +\ 4\right)\ +\ \left(3t^2-\ 4\right)$

MOLTO DIFFICILE!

$17x$

$20x$

$4t^2\ -\ 5t$

$7t\ -2t$

Multiple Choice

Risolvi

$\left(2pq-5p\right)\ +\ \left(4p\ -\ 7q\right)\ +\ \left(4q\ -\ 2pq\right)$

SUPER DIFFICILE!

$-5q\ +\ 3p$

$-9p\ +\ 3q$

$-3p\ -\ 1q$

$-5q\ +\ 1p$

$-p\ -\ 3q$

Multiple Choice

Risolvi

$\left(x^4\ -\ x^3y\ +\ y^4\right)\ -\left(2x^4\ -\ x^3y\ -\ y^4\right)$

MEDIO

$+7y\ -\ 3x$

$-x^4\ +\ 2y^4$

$-5x\ +\ 4y$

Multiple Choice

Risolvi

$2x\left(3x\ +\ 1\right)\ -\ 3x\left(2x\ -\ 5\right)$

MOLTO DIFFICILE!

$14x$

$16x$

$17x$

$20x$

Multiple Choice

Risolvi

$3x\left(x^2-2\right)-\ 2x\left(x^2-3\right)$

MOLTO DIFFICILE!

$4x$

$x^2$

$10x$

$x^3$

Unità 5 - Polinomi

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