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Matematica - Fatoração

Pietro Stevanatto 11 preguntas

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Preguntas del test (11)

1(a - b)² = (a - b) . (a - b)
1. A(a - b)² = a² - 2ab + b²
2. B(a - b)³ = a² - 2ab + b²
3. C(a - b)² - a² - 2ab + b²
4. D(a - b)² = a² - 2ab + b³
2(m + n).(m – n)
1. Am² + n²
2. Bm³ – n³
3. Cm² – n²
4. Dm² – m²
3x² + x - 6 = (x + 3).(x - 2)²
1. AVerdadero
2. BFalso
4z² + 2xz + x²
1. A(z + x)²
2. B(z + x)³
3. C(z + x)
4. D(z - x)²
5x² + xy + 2x + 2y
1. A(x + 2) . (x + y)
2. B(x + 2) . (x + y)³
3. C(x + 2) . (x + y)²
4. D(x + 2) . (x - y)
6x² + 2x + xy + 2y
1. A(x + y) . (x + 2)³
2. B(x + y) . (x + 2)
3. C(x + y),(x + 2)
4. D(x + y) . (x + 3)
7(a - b)² = (a - b) . (a - b) = (a - b)² = a² - 2alb + b²
1. AVerdadero
2. BFalso
86x²b + 42x² – y²b – 7y²
1. A(6x² – y²) (b + 7)
2. B(6x² – y²) (b + 8)
3. C(6x³ – y³) (b + 7)
4. D(6x – y) (b + 7)
92xy – 12x + 3by – 18b
1. A(2x + 3b) . (y – 6)
2. B(2x + 3b) . [y – 6]
105x + 5y + 5m + 5n
1. A5 . (x + y + m + n)
2. B5 . (x + y + n + n)