Question

Find the vertex of the parabola whose equation is y = x2 - 4x + 6.



(-2, 18)

(2, 2)

(2, 6)

Answer 1

(2,2)

Answer 2

Find the y-coordinate of the vertex of the parabola whose equation is y = x2 - x + 2.



1 3/4

2

2 1/4

Answer 3

1 3/4

Answer 4

What is the line of symmetry for the parabola whose equation is y = 3x2 + 24x - 1?



x = -8

x = -6

x = -4