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I need help with number 11
Beginning with the quadratic equation y=ax^2+bx+c, Fred calculated -b/2a and then plugged that number in for x to get a Y
What is one reason he might have done this

I need help with number 11 Beginning with the quadratic equation yax2bxc Fred calculated b2a and then plugged that number in for x to get a Y What is one reason class=