parabola ? root left ? vertex ? root right ? line of symmetry ? line of symmetry ? zero left ? parabola ? vertex ? zero right ? 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 vertex ? x-intercept left ? line of symmetry ? x-intercept right ? parabola ? 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 vertex=( line of symmetry x= , ) ( roots , ) 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 line of symmetry x= vertex=( ( ( roots , , , ) ) left ) right 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ( line of symmetry vertex x= , ) ( ( roots , , ) ) right left 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 line of symmetry x= ( ( ( roots vertex , , , ) ) ) right left |