productos notables
Quiz
•
Mathematics
•
9th Grade
•
Medium
Denis Rivas
Used 7+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El producto (x+3)(x+7) es igual a:
(x+a)(x+b)= x2 + (a + b)x + ab
(x+3)(x+7) = x2 + (3+7)x + 3*7
= x2 + 10x + 21
(x+3)(x+7) = x2 + (3+7)x + 3*7
= x2 - 10x + 10
(x+3)(x+7) = x + (3+7)x + 3*7
= x + 10x + 21
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
El producto (y - 9)(y - 7) es igual a: Selecciones las opciones correctas aplicado a la formula uno de los productos notables.
(y - 9)(y - 7) = y2 + (-9-7)y + (-9)(-7)
= y2 - 16y + 63
(y - 9)(y - 7) = [y+(-9)][y + (-7)]
= y2 + [(-9)+(-7)]y + (-9)(-7)
= y2 - 16y + 63
(y - 9)(y - 7) = [y+(-9)][y + (-7)]
= y2 + [(-9)+(-7)]y + (-9)(-7)
= y2 + 16y + 64
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sea el producto (2x + 1)(3x+2) este producto aplica al formula 2 de los productos notables, dicho producto es igua a:
(2x + 1)(3x+2) = 2*3*x2 + (2*2 + 2*3)x + 1*2
= 5x2 +(4+6)x +2
= 5x2 + 10x + 2
(2x + 1)(3x+2) = 2*3*x2 + (2*2 + 1*3)x + 1*2
= 6x2 +(4+3)x +2
= 6x2 + 7x + 2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El producto (x + 7)2 es la suma de dos terminos, este producto aplica la formula tres, este producto es igual a:
(x + 7)2 = x2 + 2*7*x + 72
= x2 + 14x + 49
(x + 7)2 = x2 + (2+7)*x + 2*7
= x2 + 9x + 14
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
APlicando la formula 3 de los productos notables, el producto (x + 3m)2 al cuadrado es igual a:
(x + 3m)2 = x2 + 2*3*m + (3m)2
= x2 + 6m + 9m2
(x + 3m)2 = (x+3m)(x+3m)
= x*x + (3+3)m + 3*3*m*m
= x2 + 6m + 9m2
(x + 3m)2 = x2 + 2*3*m + (3m)2
= x2 + 6mx + 6m
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El producto (x-9)2 es una cuadrado de la diferencia de dos términos, dicho producto es igual a:
(x-9)2 = x2 + 2*9*x + 92
= x2 +18x +81
(x-9)2 = x2 - 2*9*x + 92
= x2 - 18x +81
(x-9)2 = x2 - 2*9*x - 92
= x2 -18x - 91
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El producto (x - 4)2 es igual a:
(x - 4)2 = x2 + 2*4*x + 42
= x2 + 8x + 16
(x - 4)2 = x2 - 2*4*x + 42
= x2 - 6x + 8
(x - 4)2 = x2 - 2*4*x + 42
= x2 - 8x + 16
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El siguiente producto es una suma por diferencia, (x + 9)(x-9) es igual a:
(x+9)(x-9) = x2 - 92
= x2 - 81
(x+9)(x-9) = x2 + 92
= x2 + 81
(x+9)(x-9) = x2 - 92
= x2 - 18
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