SOLUTION: Identify the vertex: 1.) f(x)=-(x-3)^2+2 2.) f(x)= 2(x+9)^2-4 Write each function in vertex form: 3.) f(x)= 4x^2-8x+2 4.) f(x)=8x^2+8x-12

Algebra ->  Linear-equations -> SOLUTION: Identify the vertex: 1.) f(x)=-(x-3)^2+2 2.) f(x)= 2(x+9)^2-4 Write each function in vertex form: 3.) f(x)= 4x^2-8x+2 4.) f(x)=8x^2+8x-12       Log On


   

Question 1097449: Identify the vertex:
1.) f(x)=-(x-3)^2+2
2.) f(x)= 2(x+9)^2-4
Write each function in vertex form:
3.) f(x)= 4x^2-8x+2
4.) f(x)=8x^2+8x-12
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=a%28x-h%29%5E2%2Bk is in vertex form, (h,k) is the vertex.
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.
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f%28x%29=4x%5E2-8x%2B2
Complete the square,
f%28x%29=4%28x%5E2-2x%29%2B2
f%28x%29=4%28x%5E2-2x%2B1%29%2B2-4
f%28x%29=4%28x-1%29%5E2-2
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Do the other one the same way.