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The parabola y=ax^2+bx+c is graphed below. Find a+b+c. (The grid lines are one unit apart.)

 

 Nov 24, 2021
 #1
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Find a+b+c.

 

Hello Guest!

 

\(f(x)=(x-1)^2-4= x^2-2x+1-4\\ \color{blue}f(x)=x^2-2x-3\)

            a    +    b  +   c  =   1   +  (-2)  + (-3) =  - 4

laugh  !

 Nov 24, 2021

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