Question

What is the vertex of the quadratic function ƒ(x) = 2x² + 4x + 3?

Question options:


A)


(3,0)


B)


(–1,1)


C)


(0,3)


D)


(1,–1)

Answer 1

3,0
I passed algebra

Answer 2

B

Explanation:

f(x)=2x²+4x+3

=2(x²+2x+1-1)+3

=2(x+1)²-2+3

=2(x+1)²+1

x+1=0

x=-1

vertex is (-1,1)