Derive the equation of the parabola with a focus at (2, -1) and a directrix of y = - 1/2

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Answer this question i need as soon as possible

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h