The quadratic formula
16:32
Khan AcademySal Khan
The quadratic formula
The quadratic formula helps us solve any quadratic equation. First, we bring the equation to the form ax²+bx+c=0, where a, b, and c are coefficients. Then, we plug these coefficients in the formula: (-b±√(b²-4ac))/(2a) . See examples of using the formula to solve a variety of equations.
Feb 20, 2011
Shorts
9K views · 532 reactions | A polynomial of degree n has exactly n roots. Example: 1) A linear equation (degree 1, like 2x + 3 = 0) has one root. 2) A quadratic equation (degree 2, like x2 - 4 = 0) has two roots. 3) A cubic equation (degree 3) has three roots. 4) A polynomial of degree 5 will have 5 roots. . . . #math #study #mathematics #education #instagram #instagood #viral #insta #maths #treanding #reel #reels #success #physics #viralreel #fyp | Priya Kattru | Facebook
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9K views · 532 reactions | A polynomial of degree n has exactly n roots. Example: 1)
Priya Kattru
Solving quadratic equation - part 4 #boardexam #maths #algebra #chalkasmr #quadraticequation #psat
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Board Math
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