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The grid lines in the graph below are one unit apart.  The red parabola shown is the graph of the equation y = ax^2 + bx + c. Find (a,b,c). 

 

 Feb 12, 2022
 #1
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(a,b,c) = (2,-5,7).

 Feb 12, 2022
 #2
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Vertex form of the parabola is    y = a ( x-1)^2 -6       sub in the point on the graph  3, -2 to calculate   a

                                                      a = 1

 

y =  (x-1)^2 -6       expand to

                  y =    x^2 - 2x - 5         <===== you can finish from here I hope !

 Feb 12, 2022

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