199k views
20 votes
Y=4x^2-16x+12 write the equation in vertex form

User Dalenewman
by
5.8k points

2 Answers

9 votes

Answer:


y=4(x-2)^2-4

Explanation:

Complete the square


y=4x^2-16x+12\\\\y=4(x^2-4x+3)\\\\y+4(1)=4(x^2-4x+3+1)\\\\y+4=4(x^2-4x+4)\\\\y+4=4(x-2)^2\\\\y=4(x-2)^2-4

User Nicolas Jafelle
by
5.6k points
8 votes

The answer is y = 4(x - 2)^2 - 4.

User Ekerner
by
5.1k points