A quadratic function is given.

label Algebra
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schedule 1 Day
account_balance_wallet $5

A quadratic function is given.
f(x) = 2x2 + 4x + 3
(a) Express the quadratic function in standard form. 
f(x) =
Oct 19th, 2017

Answer:

here I can write:

f(x) = 2 (x+2)^2  - 5

so: x-intercepts: x= - 2 +sqrt(5)/2,   x= - 2-sqrt(5)/2

y-intercept: y= 3

vertex: V = (-2, -5)

Mar 4th, 2015

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