million dollars.
2)
If (a,b)
is the vertex of f(x)=−5x2−20x+10
, then what is the value of b
?
(1 point)
Responses
b=−10
b is equal to negative 10
b=30
b is equal to 30
b=0
b is equal to 0
b=−2
2)
If (a,b)
is the vertex of f(x)=−5x2−20x+10
, then what is the value of b
?
(1 point)
Responses
b=−10
b is equal to negative 10
b=30
b is equal to 30
b=0
b is equal to 0
b=−2