3 years ago

Find the vertex of the graph of the function. f(x) = 2x2 - 8x + 9

Mathematics

1 answer:

Katen [24]3 years ago

8 0

Answer:

(2, 1).

Step-by-step explanation:

f(x)=2x^2-8x+9

Find -b/2a first, it's -(-8)/2(2)=8/4=2.

Then find the y-coordinate of the vertex.

2(2)^2-8(2)+9=2(4)-16+9=8-16+9=-8+9=1

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