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storchak [24]
3 years ago
14

The axis of symmetry for the function f(x) = -x^2 - 10x + 16 is x = -5. What are the coordinates of the vertex of the graph?

Mathematics
2 answers:
IRINA_888 [86]3 years ago
9 0
The x coordinate is -5.

The y coordinate is equal to f(-5)

f(-5)=-(-5)^2-10\cdot(-5)+16=-25+50+16=41

So the vertex is (-5,41)
max2010maxim [7]3 years ago
7 0

Answer:

(x, f(x))= (-5, 41)

Step-by-step explanation:

Your function is a  parable, then you have the axis of symmetry which is the straight line that divides your graph in half, this is X = -5,

If you replace this value of X in the original equation f(-5)=-(- 5)^2-(10*(-5))+16

you get f(-5)=-(25)+50+16 the result is 41, which is the value on the other axis.

Therefore the coordinates of the parabola vertex are (x, f(x))=(-5,41)

This means the coordinates (vertex) where the function reaches a maximum or minimum value, in this case the maximum.

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