15:27

[TAGALOG] Grade 9 Math Lesson: RELATIONSHIP OF COEFFICIENTS AND THE ROOTS OF A QUADRATIC EQUATION

27:14

[TAGALOG] Grade 9 Math Lesson: SOLVING QUADRATIC EQUATION USING QUADRATIC FORMULA

21:41

[TAGALOG] Grade 8 Math Lesson: OPERATIONS ON RATIONAL EXPRESSION- MULTIPLYING RATIONAL EXPRESSION

40:05

Examples: A Different Way to Solve Quadratic Equations

23:29

How Imaginary Numbers Were Invented

33:43

[TAGALOG] Grade 9 Math Lesson: TRANSFORMING GENERAL FORM OF QUADRATIC FUNCTION TO ITS VERTEX FORM

34:55

[TAGALOG] Grade 9 Math Lesson: HOW TO SOLVE QUADRATIC INEQUALITY?

20:01

Factoring Quadratics WITHOUT Guessing Product & Sum