A student uses the quadratic formula to solve a quadratic equation and determines that one of the solutions is z=3+√-48. What are the values of a and b if this solution is written in the form x = a + bi,
where a and b are real numbers?
a-3 and b=-4√3
a=3 and b= 4√3
a=3 and b=√12
a-3 and b=3√4