
Додавання і віднімання многочленів

Quiz
•
Mathematics
•
7th Grade
•
Hard
Катерина Холопкіна
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спростіть вираз: (8х2 - 6) + (2х2 + 2х + 6)
10х2 + 2х
6х2- 2х - 12
10х2 + 2х + 12
6х2 - 2х
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спростіть вираз: (3х2 - 6х +2) +(х2 - 4х +3)
2х2 + 10х + 5
4х2 -2х + 5
2х2 - 10х - 1
4х2 - 10х + 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спростіть вираз: (5х2 - 2х) - (3х2 + 5х)
8х2 + 3х
2х2 - 3х
2х2 - 7х
2х2 + 3х
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спростіть вираз: (5а2 - 20 а) - ( 4а2 - 18 а)
9а2 - 2а
а2 - 2а
а2 + 2а
а2 - 38а
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оберіть рівність, в якій правильно розкрито дужки
(3ху - 5х) - (2ху + 3у) = 3ху - 5х - 2ху + 3у
(5ху + 5х - 3у) - (ху - 2х) = 5ху + 5х -3у - ху -2х
(12х - 4у + 3) - (2х - у -1)= 12х - 4у + 3 - 2х +у +1
(6х - 5у-2) - (х - у - 1) = 6х - 5у - 2 - х + у - 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оберіть рівність, в якій правильно розкрито дужки:
(7х - 5у) + (- х - 2у) = 7х - 5у + х - 2у
(9 а - 7с) + (5а - 2с - 1) = 9а - 7с + 5а - 2с - 1
(- х + 2у + 1) + (2х+ 2у + 3) = х + 2у + 1 + 2х + 2у + 3
(3х - 5) + (2х3 - 3х - 1) = 3х - 5 + 2х3 - 3х + 1
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