Jan'ai was asked to determine the minimum for a function with zeros located at –1 and 5, which also has a y-intercept of (0, –25). Her work is shown. Which best describes the first error in Jan'ai's work? She incorrectly determined the factors for the beginning function. She incorrectly determined the a value. She incorrectly transformed the equation to standard form. She incorrectly determined the x-coordinate of the vertex.