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anonymous
 one year ago
The graph of which function has an axis of symmetry at x =1/4 ?
f(x) = 2x2 + x – 1
f(x) = 2x2 – x + 1
f(x) = x2 + 2x – 1
f(x) = x2 – 2x + 1
anonymous
 one year ago
The graph of which function has an axis of symmetry at x =1/4 ? f(x) = 2x2 + x – 1 f(x) = 2x2 – x + 1 f(x) = x2 + 2x – 1 f(x) = x2 – 2x + 1

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1\[\huge\rm x=\frac{ b }{ 2a }\] to find ccoordinate of vertex(axis of symmetry)

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1b and a values are \[\rm Ax^2+Bx+C\] where a=leading coefficient b=middle term c=constant term

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i have answer chioces listed

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1i know so which is your answer A , B ,C or D >

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0im horrible at math lol but my next guess is d

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1don't guess next time when you say is it B or A or D i'll ask to explain it for me

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1start with 1st option okay what is a and b value in that equation

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1a=2 right b=1 x is same as 1x not substitute a and b for their value into that formula

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1yes right multiply 2 times 2 ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1you're lucky don't have to check other 3 options ...
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