Quadradic Functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Ex of a quadratic expression | ax^2+bx+c
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Ex of a quadratic equation | ax^2+bx+c=0
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Quadratic function | f:x yields ax^2+bx+c
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Binonmial square thereom | For all real numbers x and y
(x+y)^2=x^+2xy+y^2
(x-y)^2=x^2+2xy+y^2
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Corollary | The image of the parabola y=ax^2 under the translation th,k is the parabola with the equation
y-k=a(x-h)^2
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Fun fact | Any parabola whose equation can be written in vertex form y-k=a(x-h)^2 can be wrriten in the standard form y=ax^2+bx+c
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Definition | When k>0 , the two solutions to x^2 are denoted square root -k and -square root -k
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What is a postulate? | A complex number is a number of the form a+bi, where a and b are real numbers and i=the square root of -1; a is called the real part and b i called the imaginary part.
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Created by:
kmalone30
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