How do you find the zeros, real and imaginary, of y= 3x^2-43x-33 using the quadratic formula?

1 Answer
Jun 9, 2018

color(indigo)(x = (43 + sqrt2245)/6, (43-sqrt2245)/6

Explanation:

y = 3x^2 - 43x - 33

a = 3, b = -43, c = -33

"Quadratic formula is " x = (-b +- sqrt(b^2 - 4ac)) / (2a)

x = (43 +- sqrt(43^2 + (4 * 3 * 33))) / 6

color(indigo)(x = (43 + sqrt2245)/6, (43-sqrt2245)/6