SAT Math Question Please Help From Blue Book

JefferyJung
Sun, 01 Jan 2012 23:47:13 +0000

Here is my way since the lowest point is 1,1… the axis of sym has to be 1

I can assume that -b/2a

so 1= -b

-b = -1

therefore 1 = -(-1)



I don’t think I follow your logic. Can you explain this further?