What is the vertex form of #y=x^2 - 9x + 2 #?

Question

What is the vertex form of #y=x^2 - 9x + 2 #?

1 Answer

Impact of this question

3954 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-11-24T02:51:08

Find vertex form of #y = x^2 - 9x + 2#

Ans: #y = (x - 9/2)^2 - 73/4#

Explanation:

Vertex #(x, y)#.
#x#-coordinate of vertex: #x = (-b/(2a)) = 9/2#
#y#-coordinate of vertex: #y = y(9/2) = (9/2)^2 - 9(9/2) + 2 = #
#= 81/4 - 81/2 + 2 = -81/4 + 2 = -73/4#
Vertex form --> #y = (x - 9/2)^2 - 73/4#

Science

Math

Humanities

... and beyond

What is the vertex form of #y=x^2 - 9x + 2 #?

1 Answer

Explanation:

Related questions

Impact of this question