Ôn lại chủ đề công thức nghiệm

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Wayground Content
FREE Resource
Student preview

8 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Phương trình bậc hai: x² - 3x = 0 có hệ số?
Back
a= 1, b= -3, c= 0
2.
FLASHCARD QUESTION
Front
Phương trình bậc hai: x² - 9 = 0
Back
x = ±3
3.
FLASHCARD QUESTION
Front
Em hãy điền vào dấu ba chấm: \(\Delta = b^2 - ...\)
Back
4ac
4.
FLASHCARD QUESTION
Front
Để phương trình bậc hai có nghiệm kép thì:
Back
\Delta = 0
5.
FLASHCARD QUESTION
Front
Nghiệm kép của phương trình bậc hai:
Back
6.
FLASHCARD QUESTION
Front
Phương trình bậc hai có hai nghiệm phân biệt khi nào?
Back
\Delta > 0
7.
FLASHCARD QUESTION
Front
Δ > 0, phương trình bậc hai có 2 nghiệm phân biệt:
Back
x_1 = \frac{-b - \sqrt{\Delta}}{2a}; x_2 = \frac{-b + \sqrt{\Delta}}{2a}
8.
FLASHCARD QUESTION
Front
Nghiệm của phương trình: 1995x² - 1996x + 1 = 0?
Back
x₁=1; x₂=\frac{1}{1995}
Similar Resources on Wayground
15 questions
Hệ thức Vi-ét

Flashcard
•
9th Grade
10 questions
Tập làm văn

Flashcard
•
10th Grade
6 questions
Chủ đề 3 - 8A7

Flashcard
•
9th Grade
8 questions
CHỦ ĐỀ 1 - CHUYỂN ĐỘNG THẲNG ĐỀU

Flashcard
•
10th Grade
8 questions
MINI GAME

Flashcard
•
KG
10 questions
Tin 10 chủ đề F. Bài 18

Flashcard
•
9th - 12th Grade
8 questions
Flashcard về Duyên hải Nam Trung Bộ

Flashcard
•
KG
10 questions
kiểm tra sự hiểu nhau

Flashcard
•
KG
Popular Resources on Wayground
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
10 questions
Nouns, nouns, nouns

Quiz
•
3rd Grade
10 questions
9/11 Experience and Reflections

Interactive video
•
10th - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
11 questions
All about me

Quiz
•
Professional Development
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
9 questions
Tips & Tricks

Lesson
•
6th - 8th Grade
Discover more resources for Mathematics
12 questions
Graphing Inequalities on a Number Line

Quiz
•
9th Grade
15 questions
Two Step Equations

Quiz
•
9th Grade
12 questions
Absolute Value Equations

Quiz
•
9th Grade
15 questions
Combine Like Terms and Distributive Property

Quiz
•
8th - 9th Grade
20 questions
Transformations of Functions

Quiz
•
9th Grade
20 questions
Multi-Step Equations and Variables on Both Sides

Quiz
•
9th - 12th Grade
10 questions
Literal Equations

Quiz
•
9th Grade
10 questions
Solving Absolute Value Equations

Quiz
•
8th - 9th Grade