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IrinaK [193]
3 years ago
14

Find the vertex of y=x^2-6x+1 A. ( 1 , 5 ) B. ( 4 , 1 ) C. ( 2 , -3 ) D. ( 3 , -8)

Mathematics
1 answer:
mel-nik [20]3 years ago
3 0

h=\frac{-b}{2a}

k=f(h)

h=\frac{6}{2}

h=3

k=f(3)

f(3)=9-18+1

f(3)=-8

The vertex is (3,-8)

Hope this helps.

頑張って!

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Using Substitution Method:

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x-3y=-5       (Equation 2)

get the value of x from Equation 2

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Put the value of x from Equation 3 in Equation 1

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x-3y=-5       (Equation 2)

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Adding Equation 1 and 3

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+    -     = -   (Change Of Sign with x and y terms)

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