math2323
math2323
30-04-2017
Mathematics
contestada
what is the y value of the vertex of 4x^2+8x-8
Respuesta :
FLORC
FLORC
30-04-2017
Vertex x=-b/2a
Ax^2+bx+c
X=-8/2 (4)
X=-8/8
X=-1
Plug in
4x^2+8x-8
4 (-1)^2+8 (-1)-8
4 (1)-8-8
4-8-8
-4-8
-12
Vertex= (-1,-12)
Answer Link
biancaalexis
biancaalexis
30-04-2017
Vertex x=-b/2a
Ax^2+bx+c
X=-8/2 (4)
X=-8/8
X=-1
Plug in
4x^2+8x-8
4 (-1)^2+8 (-1)-8
4 (1)-8-8
4-8-8
-4-8
-12
Vertex= (-1,-12)
Answer Link
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