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Find the equation of the axis of symmetry of the parabola.

Enter the answer as an equation.

 

 Nov 12, 2022
 #1
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The axis of symmetry is y = 3.

 Nov 13, 2022
 #2
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The axis of symmetry is equal to the average of the roots. When we factor \(x^2-2x-3\), we get \((x+1)(x-3)\), so the roots are -1 and 3 as shown in the graph. \(\frac{-1+3}{2} = 1\), so the axis of symmetry is \(x=1\)

 

Hope this helped smiley

 Nov 13, 2022

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