SOLUTION: What is Graph of -x2-4x+5

Question 1048415: What is Graph of -x2-4x+5
Found 2 solutions by addingup, ewatrrr:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
There are two lines in a graph, they are called "coordinates".
:
The up-down line (vertical line) is called the "y"
The side-to-side line (horizontal line) is called the "x"
:
You need both, the y and x in order to graph the equation.
Did you mean "y = -x2-4x+5"? Please clarify.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
y = -x2-4x+5
y = -(x^2 + 4x) + 5
y = -[(x+2)^2 -4] + 5
y = -(x+2)^2 +9 Parabola opening Downward -1 < 0
V(-2, 9) when y = 0 (x+2) = �3, x = 1 or x = -5
x = -2 the Line of symmetry Blue

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Need to Know
the vertex form of a Parabola opening up(a>0) or down(a<0),
. V(h, k)

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