.) Which expression is equivalent to 15c+20? 15(c+20) 15(c +4) 5(3C+4 5(3c+20)
2 answers:
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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