Test
7 form. Multinominal. Decomposition on a multiplier
1. Factorize: (b +5)2
– b(b+5)
A) (b+5)(2b+5) B)
(1-b)(b+5) C) (b+5)(2b-5) D) 5(b-5) E) -5(b+5)
2. Factorize:
с5 – с4 – с + 1
A) (с-1)(с2+2с+1) B)
(с+1)(с-1)2(с2-1) C) (с-1)(с+1)2(с2 -1)
D)
(с+1)(с-1)2(с2+1) E) (с+1)(с2-2с+1)(с-2)
3. Factorize:
х2 + 8х + 16 – 9а2
А) (х + 4 +
3а)(х + 4 – 3а) В) (х –
4 – 3а)(х + 4 + 3а)
С) (х – 4 – 3а)(х
– 4 + 3а) D) 3а(х + 4)2 E) (х +
4)(х + 3а)
4. Factorize: 8а2 – 18b2
A) 2(2a-3b)(2a-3b) B) 2(4a2
– 3b2) C) 4(2a-3b)(2a+3b) D) 4(2a2 – 6b2)
E) 2 (2a-3b)(2a+3b)
5. Factorize: 8х3-у3
A) (2х+у)(4х2+2ху+у2)
B) (2х+у)(4х2-2ху+у2) С) (2х-у)(4х2+2ху+у2)
D) (2х+у)(4х2-2ху+у2) E)
(2х-у)(4х2-2ху+у2)
6. Factorize: x2 –
x4
A) x2 (1 – x)
B) x2 (1 + x) (1 + x) C) x2 (1 – x) (1 – x)
D) x2 (1 – x) (1 + x) E) x2 (1 – x3)
7. Factorize: х3 – 27
A) (х-3)(х2+3х+9) B)
(х+3)(х2+3х+9) С) (х-3)(х2-3х-9)
D)
(х+3)(х2-3х+9) E) (х+3)(х2-9х+9)
8. Factorize:
9m2
– n2
A) (3m – n) (3m + n) B) (8m – n) (8m + n) C) (9m – n) (9m + n)
D) (4m – n) (5m +
n) E) (10m – n) (10m + n)
9 . Factorize: х-3х+2
A) (x-1)(x+2) B)
(x-1)(x-2) C) (x+1)(x-2) D) x(x+1) E)
(x+1)(x-3)
10. Factorize : х(а
+ в + с) – у( а + в
+с) + z( a + b + c)
A) (a – b – c)(x – y + z) ; B) (a
+ b + c)(x – y + z) ; C) (a + b + c)(x + y – z) ; D)
(a – b + c)(x – y + z) ; E) (a – b – c)(x + y + z).
Test
7 form. Formulas of the shorthand multiplication
Square of the sum and difference
1. Present in the form of a
multinominal: (х+2)2
a) b) c)
d) e) The right answer is not
present.
2. Present in the form of a
multinominal: (х-2)2
a) b) c) d) e) The right answer is not present.
3. Present in the form of a
multinominal: (3у+4)2
a) b) c) d) e) The
right answer is not present
4. Present in the form of a
multinominal: (3-4у)2
a) b) c) d) e) The right
answer is not present.
5.Present in the form of a
multinominal: (х3+2)2
a) b) c)
d) e)
The right answer is not presen.
6. Present in the form of a
multinominal: (х2-2х+1)2
a) b) c)
d) e) The right answer is not present.
7. Present in the form of a
multinominal: (a+b)3
a) b) c)
d)
e) The right answer is not
present.
8. Present in the form of a
multinominal: (a-b)3
a) b) c)
d)
e) The right answer is not
present.
9. Present in the form of a
multinominal: (a+b)4
a) b) c)
d) e) The right answer is not present.
10. Present in the form of a
multinominal: (a+b)5
a)
b) c)
d) e) The right answer is not present
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