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DIFFERENZA DI QUADRATI
Prof. Mauro La Barbera
Scomporre le seguenti differenze di quadrati
DFFERENZA DI DUE QUADRATI
La differenza dei quadrati di due monomi è uguale al prodotto delle basi per la loro differenza:
a² – b² = (a + b)(a – b)
Controlla le risposte alla fine del test
4a² – b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
9a² – b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
4a² – 25b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
16a² – 49b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
81a² – 100b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
100a² – 4b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
36a² – 0,25b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
144a² – 121b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
64a² – 169b² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
225a² – b²c² =
?
(4a – 7b)(4a + 7b)
(2a + 5b)(2a – 5b)
(2a – b)(2a + b)
(3a – b)(3a + b)
(6a + 0,5b)(6a – 0,5b)
(12a + 11b)(12a – 11b)
(9a + 10b)(9a – 10b)
(8a – 13b)(8a + 13b)
(15a – bc)(15a + bc)
(10a + 2b)(10a – 2b)
Controlla le risposte alla fine del test
OK
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