learn.howToCalculate
learn.whatIsHeading
Quadratic formula solves ax² + bx + c = 0: x = (-b ± √(b²-4ac)) / 2a. Always finds roots (real or complex).
ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |
- 1Input coefficients a, b, c
- 2Calculate discriminant b²-4ac
- 3Apply formula; show real or complex roots
ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ
ଇନପୁଟ୍
x² - 5x + 6 = 0
ଫଳ
x = (5 ± 1)/2 → x=3 or x=2
ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ
- ✕Sign errors in formula
- ✕Not simplifying radicals
ବାରମ୍ବାର ଜିଜ୍ଞାସା
What does discriminant tell?
>0 two reals, =0 one repeated, <0 complex conjugate pair.
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