1) Put x2+16x into completed square form. a) (x+4)2-16 b) (x-8)2-16 c) (x+8)2-64 d) (x+8)2+64 2) Put x2+20x into completed square form. a) (x+10)2-100 b) (x-10)2-100 c) (x+10)2+20 d) (x+10)2-20 3) Write x2-2x in completed square form. a) (x-2)2-4 b) (x-1)2-2 c) (x-1)2-1 d) (x-1)2+1 4) Write x2+5x+8 in the form (x+a)2+b  a) A b) B c) C d) D 5) When writing x2+16x-25 in the form (x+a)2+b, what are the values of a and b? a) a = 4 b) b = -89 c) b = 89 d) a= 8 e) b = -9 f) b= -41 6) Write x2+ax in the form (x+a)2+b a) A b) B c) C d) D 7) Which is the correct first step to solve x2-20x+51=0 ? a) (x-10)2-100+51=0 b) (x-10)2+51=0 c) (x-10)2+100+51=0 d) (x+10)2-100+51=0 8) Solve x2−2x−1=0 a) A b) B c) C d) D

Completing the Square

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