Which function in vertex form is equivalent to f(x) = x2 + x +1?

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Achef will make pizzas. he has broccoli, peppers, onions, pepperoni, and sausage. how many types of vegetable and one type of meat?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle