
Kiểm tra
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
LÃNH HÀ_SPTOAN_K47H
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Hàm số nào sau đây là hàm số bậc hai
f(x) = 4x + 1
f(x) = x3 - 2X2 + 5x
f(x) = 2x2 - 3x + 4
f(x) = 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2. Cho hàm số bậc hai f(x) = x2 +3x. Khẳng định nào sau đây đúng
A. f(2) = 11
B. f(2) = 13
C. f(2) > 8
D. f(2) < 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3. Điểm M thuộc đồ thị hàm số f(x) = x2 +3x và có hoành độ bằng 5, tung độ điểm M bằng
A. 40
B. 35
C. 50
D. 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Tìm số giao điểm của parabol f(x) = x2 +3x và đường thẳng y = 3x .
A. 2
B. 1
C. 3
D. 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Số giao điểm của parabol (P): y = x2 - 5x - 6 với trục hoành là
A. 1
B. 2
C. 3
D. 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Tìm m để đồ thị hàm số y = x2 - 2x + m -1 cắt trục hoành tại điểm có hoành độ bằng 2 .
A. m = 1
B. m = 2
C. m = 3
D. m = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Đồ thị hàm số y = x2 +2x -1 có tọa độ đỉnh là:
A. I (-1; -2)
B. I (1; 2)
C. I (5; 6)
D. I (-2; -1)
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