
Ôn cuối kỳ môn toán 7
Quiz
•
Mathematics
•
7th Grade
•
Medium
GIAO VIEN VIET NAM
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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức đại số nào sau đây biểu thị chu vi của một hình chữ nhật có chiều dài bằng 7(cm) và chiều rộng bằng x (cm)?
(7 + x) . 2
(7 + x) : 2
(7x) . 2
7x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức nào sau đây là đa thức một biến?
2x² + y - 5
3x³ + 2x² + x - 1
x + y + z
x⁴y + y - 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đa thức Q(x) = 6x - 6. Nghiệm của đa thức Q(x) là?
x = 1
x = 2
x = -1
x = -2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đa thức một biến P(x) = x + 3x² - 5 + 2x³. Cách biểu diễn nào sau đây là sắp xếp theo lũy thừa tăng của biến?
P(x) = x + 3x² + 2x³ - 5
P(x) = 2x³ + 3x² + x - 5
P(x) = -5 + x + 3x² + 2x³
P(x) = -5 + x + 2x³ + 3x²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đa thức P(x) = 5x⁴ - 7x⁷ + x² - 3x + 7x⁷ là?
Bậc 1
Bậc 4
Bậc 7
Bậc 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị của đa thức A(x) = x³ - 2x² - 3x + 1 tại x = -1 là
-1
-5
1
-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho (x + 3)(2x - 1) = 2x² + 5x - 3. Thương của phép chia đa thức 2x² + 5x - 3 cho đa thức x + 3 là:
x
2x
2x - 1
x + 3
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