Question

What is the vertex of the graph of y = −3x^2 − 4x + 2

Answer 1

vertex:x = -b/2a

ax^2 + bx + c

b= -4
a= -3

vertex: x= -(-4)/2(-3) = 4/-6 = -2/3

y = -3(-2/3)2 - 4(-2/3) +2

http://hotmath.com/hotmath_help/topics/vertex-of-a-parabola.html

Answer 2

* I meant for that last line: y = -3(-2/3)^2 - 4(-2/3) +2

Answer 3

So y=-2

Answer 4

tyvm :D