Самостійна робота №5 Розкладання многочленів

Quiz
•
Mathematics
•
7th Grade
•
Hard
Ольга Передерєєва
Used 4+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
У виразі 14xy2 -7y винесли за дужки спільний множник Який многочлен залишився у дужках? (1б)
2xy – 1
7xy + 1
1 – 7xy
1 – 2xy
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Укажіть неправильну рівність (2б).
12m3n + 3mn = 3mn (4m2+1)
12m2n2 + 3mn = 3mn (4m+1)
12mn2 + 3mn = 3mn (4m + 1)
12m2n2 + 3mn2 = 3mn2 (4m+1)
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Які з виразів тотожно дорівнюють виразу (x – 2)(7 – x)? (2б)
(2 – x)(x – 7)
(–2 + x)(x – 7)
(2 – x)(7 – x)
– (x – 2)(x – 7)
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Якому з даних виразів тотожно дорівнює многочлен 3a – 3b + ax – bx? (2б)
(a – b)(3 – x)
(a + b)(3 – x)
(a – b)(3 + x)
(a + b)(x – 3)
5.
FILL IN THE BLANK QUESTION
10 mins • 2 pts
Розв’яжіть рівняння 7x2 - 35x = 0.
У відповідь записати тільки число, якщо коренів декілька - через крапку с комою (2б)
6.
FILL IN THE BLANK QUESTION
10 mins • 3 pts
Знайдіть значення виразу: (3б)
13,2 × 8,7 + 11,8 × 9,8 – 13,2 × 5,7 – 11,8 × 6,8
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