How to Solve Quadratic Equations Solve Equations Grade 8 Grade 9 Discriminant Vieta's Formulas

Опубликовано: 11 Сентябрь 2026
на канале: Подслушано по Математике
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EXPAND DESCRIPTION
How to solve a QUADRATIC equation?
How to determine if an equation is truly quadratic?
How to check?
How to determine the type of equation    • Как решать уравнения всех видов Решите ура...  

01:17 Organizational information
01:33 What examples are we solving today
02:03 How to distinguish and solve a quadratic equation
07:51 Equation 1) x^2 + x - 6 = 0
17:10 Equation 2) 4x^2 - 4x + 1 = 0
23:13 Equation 3) x^2 - 9 = 0
29:10 Equation 4) 4x^2 - 2x = 0
34:13 Equation 5) 2x^2 = 0
37:35 Equation 6) - 3x = 1 - 2x^2
41:42 Equation 7) 6 - 4x + 14x^2 = 0
44:55 Equation 8) 24x - 27x^2 = - 16
55:38 Equation 9) 3x^2 - 5x + 7 = 1 + 3x + x^2
01:00:58 Equation 10) 2x^2 - 3x - 6 = x^2 - 4x - (2 - x^2)
01:03:28 Equation 11) (5 + x^2) - (8 + x) = - 9 + x^2 - x
01:06:44 Equation 12) (-5x + 3) (-x + 6) = 0
01:10:16 Equation 13) 2 (x + 4) (x + 2) = x^2 + 2x
01:17:17 Equation 14) (x - 3) (2x + 1) = - x (1 - x)
01:25:33 Equation 15) (2x-3)^2=2x^2-8x+10
01:31:25 Equation 16) (x-7)^2=(9-x)^2
01:38:14 Equation 17) x^2/8-1=x/4
01:42:50 Equation 18) x^2-(\/10-1)x-\/10=0
01:47:21 Solve it yourself - 10 equations for practice

How to determine the type of an equation    • Как решать уравнения всех видов Решите ура...  
1) Linear equation    • Как решать линейные уравнения Решите уравн...  
2) Quadratic equation    • Как решать квадратные уравнения Решите ура...  
3) Cubic equation    • Как решать кубические уравнения Решите ура...  
4) Equation of degree 4    • Как решать уравнения 4 степени Решите урав...  
5) Product of elements = 0    • Как решать уравнение со скобками Уравнение...  
6) Product of elements = expression    • Как решать уравнение со скобками Уравнение...  
7) Fraction = 0    • Как решать уравнение с дробями Уравнение в...  
8) Fraction = expression    • Как решать уравнение с дробями Уравнение в...  
9) With a root - irrational equation    • Как решать уравнение с корнями Иррациональ...  
10) Equation with absolute value    • Как решать уравнение с модулем Уравнение с...  
11) x to the power - exponential equation
12) with log - logarithmic equation
13) Trigonometric equation
14) Mixed equation

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