You can put this solution on YOUR website! There are two lines in a graph, they are called "coordinates".
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The up-down line (vertical line) is called the "y"
The side-to-side line (horizontal line) is called the "x"
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You need both, the y and x in order to graph the equation.
Did you mean "y = -x2-4x+5"? Please clarify.
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)
