+0

# help plz

0
30
2

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

Enter the answer as an equation.

Nov 12, 2022

#1
0

The axis of symmetry is y = 3.

Nov 13, 2022
#2
+17
+1

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

Nov 13, 2022