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Fill in the blank

The vertext of y= x^2-8x+18 is ( , )


PleASE HELP ASAP

Fill in the blank The vertext of y= x^2-8x+18 is ( , ) PleASE HELP ASAP-example-1

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Answer:

Vertex is at (4, 2)

Explanation:

to find the 'x' value of the vertex, use 'x = -b/2a'

in this problem, a = 1, b = -8, c = 18

x = -(-8)/2(1)

x = 8/2

x = 4

plug 2 in for 'x' in equation and solve for 'y':

y = 4² - 8(4) + 18

y = 16 - 32 + 18

y = -16 + 18

y = 2

Vertex is at (4, 2)

User Robert Franke
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