The axis of symmetry of a parabola in the form
is a vertical line
where k is the x coordinate of the vertex of the parabola.
The x coordinate of the vertex of the parabola is given by
which in your case is
So, the axis of symmetry is the line x=12.
Erin has a $450 gift card from a clothing store.She spent $28 so far.She wants to buy barrettes for $2.95 each.How many barrette
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