Question

Which of the following is the equation of the axis of symmetry of the quadratic equation y = 2(x - 4)2 + 7?

x = 7
x = -4
x = 4
x = -7

Answer 1

can u graph it?

Answer 2

Find the vertex from the given equation which is already in the vertex form. The axis of symmetry will be a vertical line passing through the vertex.

Answer 3

http://www.wolframalpha.com/share/clip?f=d41d8cd98f00b204e9800998ecf8427eee95fl9ajg

Answer 4

nope @kellyconnelly ....... u gotta put it as (x-4)^2.....

Answer 5

yes..... so at what point do u think u can cut it exactly in half

Answer 6

4

Answer 7

yup........ C is correct......