In a survey 230 people were asked their favorite color and 20% of the people surveyed choose blue. How many people choose blue?
1 answer:
You might be interested in
Answer:
The axis of symmetry is
Step-by-step explanation:
we know that
In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex
In this problem we have a vertical parabola open upward
The x-coordinate of the vertex is equal to the midpoint between the zeros of the parabola
so
therefore
The axis of symmetry is